[SMW-devel] representing hierarchies in SMW

[Yury Katkov]

Hi !

We're trying to create a form input for semantic forms that will allow
users to pick the value of a field from the hierarchy (tree). For
example we have hierarchical list of employee key competences that are
structured like this:

1. Withstand the negative health effects
1.1. Withstand the negative weather effects
1.1.1 Withstand the wind
1.1.2. Withstand the fire
1.2. Withstand the negative psychological atmosphere
1.2.1.
1.2.2

... and so on.

We want to support such hierarchies and now are searching for a
flexible way for that. We want such hierarchies to be input from the
Semantic Forms and to be collapsible lists in the 'filtered' format.
Of course, our desire is that these objects be native to SMW, but it
seems unnecessary to  to generate one page per hierarchy item

Any ideas on how to better represent such trees in SMW?

Cheers,
Yury Katkov, WikiVote

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Re: [SMW-devel] representing hierarchies in SMW

[Yury Katkov]

Thanks Yaron!

That may work but it means that I'll have to add N categories for each
hierarchical library with N items in it.
What do you think about subobjects? I don't know if I can bind
together two subobjects with a property... can I?
-
Yury Katkov, WikiVote



On Wed, Jan 16, 2013 at 9:59 PM, Yaron Koren ya...@wikiworks.com wrote:
 Hi,

 You can do that in Semantic Forms already with the category and
 categories input types. Those require the CategoryTree extension to be
 installed, and they only work with categories. However, you can create a set
 of categories just for the sake of creating an SF input - the template
 doesn't need to add the page to the category selected; it can treat the
 selected value as just a normal property value. That would be a hack, but
 then again, categories are a very convenient way of defining hierarchies
 within MediaWiki.

 If there were going to be an SMW-based way of defining hierarchy, though, I
 would think that, yes, it would require creating a separate page for each
 item. It may seem like overkill, but I can't think of another way to do it.

 -Yaron

 On Wed, Jan 16, 2013 at 11:43 AM, Yury Katkov katkov.ju...@gmail.com
 wrote:

 Hi !

 We're trying to create a form input for semantic forms that will allow
 users to pick the value of a field from the hierarchy (tree). For
 example we have hierarchical list of employee key competences that are
 structured like this:

 1. Withstand the negative health effects
 1.1. Withstand the negative weather effects
 1.1.1 Withstand the wind
 1.1.2. Withstand the fire
 1.2. Withstand the negative psychological atmosphere
 1.2.1.
 1.2.2

 ... and so on.

 We want to support such hierarchies and now are searching for a
 flexible way for that. We want such hierarchies to be input from the
 Semantic Forms and to be collapsible lists in the 'filtered' format.
 Of course, our desire is that these objects be native to SMW, but it
 seems unnecessary to  to generate one page per hierarchy item

 Any ideas on how to better represent such trees in SMW?

 Cheers,
 Yury Katkov, WikiVote


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[SMW-devel] SMW-related organizations, where are you!

[Yury Katkov]

Hi guys!

If you're representing the MediaWiki related business and you provide
the development, consultancy or offer your packed solution, I think
here is the nice place to register: it's a list of companies made by
Mariya.

http://www.mediawiki.org/wiki/MediaWiki_vendors

If you're MW-freelancer, I think there is also room for you as well.
MW-specialist are regrettably rare in those days and a company like
ours would love to outsource many of the tasks.

--

P.S. to Mariya and everyone else:  this link may interest you, the
list of consultants of Semantic MediaWiki. SMW is an extension so they
all know pure MW as well:
http://semantic-mediawiki.org/wiki/Professional_support

Cheers,
Yury Katkov, WikiVote

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[SMW-devel] [SF] Any plans to support Visual Editor in Semantic Forms?

[Yury Katkov]

Hi!

Yaron, the question is mostly addressed to you: are there have any
plans to support VisualEditor in Semantic Forms? It has been deployed
in English Wikipedia and works very well. Frankly speaking FCKEditor
looked way too heavy in Forms with all its elements so even though
VisualEditor is incomplete it would look very well in Forms free text
inputs.

Cheers,
-
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[SMW-devel] The rest of the SMWCon conference is on YouTube

[Yury Katkov]

Hi guys!

SMWCon Fall 2012, the conference on Semantic MediaWiki is now fully
available on YouTube.

Use this YouTube playlist:
http://www.youtube.com/playlist?list=PLwtfwT1GnUQRaLki-YcF-_n8ndayi--W5
And the conference page is still here:
http://semantic-mediawiki.org/wiki/SMWCon_Fall_2012

Here is the small review of the second day of the conference.

In the keynote Peter Haase have presented Information Workbench
platform. In fact it's an enterprise semantic wiki, it has lots of
import\export features, visualizations and RDF support and visual
editor. Nice mature product that have proven that semantic wiki can be
useful in big companies.

The talks about new features in well-known extensions have made me
excited the most: Jeroen (+Nischay, +MWJames) have told about Semantic
Maps and Semantic Result formats. Lots of new plots and graphs,
interactive charts, SHAPES on the map, searching through markers,
clusters... wow! Stephan Gambke have also presented his new 'filtered'
format that have gained popularity immediately in our community.
Stephan made 'filtered' format available for calendars and have great
plans on further development. Big hooray to the developers that have
made SMW even more functional and beautiful!

Searching and SMW is the topic that is now being actively developed by
GESIS institute, so we had two talks about SolrStore and SMW.
Also we had two talks about the new SMW extensions that may be of
interest: Semantic Image Annotator that guys from AIFB have developed
to help annotate parts of the scan pages of books (Corpora analysis)
and Semantic Expressiveness that allows you to use much shorter syntax
for your queries: Daniel Werner described how it helps him to develop
RPG Wiki. Among lightning talk there was Presentation of Toneelstof -
pretty impressive visualization with a clear use csse that uses SMW in
a background.

At the end of the conference Joel Natividad described how linked data
may help in city infrastructure.


P.S. dear speakers, if you have time, please add to the template Talk
link to your talk on YouTube in a parameter Video. I'm quite slow guy
as you can see

Yury Katkov, WikiVote, Program Chair

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Re: [SMW-devel] [Semediawiki-user] s13n stands for semantification

[Yury Katkov]

Hi Markus!

Answers are inline
-
Yury Katkov, WikiVote



On Fri, Nov 23, 2012 at 11:26 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:
 On 18/11/12 13:30, Yury Katkov wrote:

 Ok, I understand that: the choice is between to store or not to store
 the source of the data by grouping the triples in graphs. Of course
 it's up to core developers to choose.
 Another set of questions:
 1) how the s13n's programming interfaces for extension developers will
 look like?


 Specifying this is a major part of the task.


 2) what is the priority of this task?


 I would say between 17 and 18.

 My (serious) point here is: priority must be relative. We have many requests
 for 1.9 (e.g. printouts for property chains and aggregates, paged query
 results, removing length restrictions on URL values, ...). The question is:
 what is the priority for doing this *before* any of these other, more
 long-standing requests? I think this can only be decided by collecting the
 main todos and then placing them in an order.


 3) Is it possible to sponsor the development to make it quicker? I
 think that the companies interested in this feature can build together
 a fund/grant to support the volunteer. WikiVote can definitely take
 part in that sponsorship campaign.


 Thanks. A sponsored developer could help with specifying the requirements
 and producing technical documentation.
 The actual implementation is only
 possible after we know what we want to do.
I totally agree. These are high-level use cases of the data that is
making available through the semantic properties:
http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification
. Do you mean them when you speak of use cases? Do we have to add any
details or restructurize this page?
 The project should start by
 collecting use-cases so that we get an idea of what we would need and how
 this new functionality could be invoked.

 Technically, the changes are blocked only by other changes in the store that
 are more urgent (further simplification of the table layout and data model,
 completion of the diff code). No other dependencies with ongoing SMW work is
 obvious to me now.

 Markus

 -
 Yury Katkov, WikiVote



 On Fri, Nov 16, 2012 at 9:35 PM, Jeroen De Dauw jeroended...@gmail.com
 wrote:

 Hey,


 Can you clarify the idea of named graphs a little bit? And what
 storage overhead we have in them?



 Instead of having rows such as

 ( subject id, property id, value )

 in the store, you instead have

 ( subject id, property id, value, graph id )

 Of course our schema is more complex then this, but it's the same idea.

 Cheers

 --
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 http://www.bn2vs.com
 Don't panic. Don't be evil.
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Re: [SMW-devel] Query formats min and max

[Yury Katkov]

The premises are clear:
(1) the current implementation of the max parser function is slow and
(2)  there is a workaround for making max queries quicker.

The conclusion is not clear: let's drop the max ASAP.

It's not that hard to replace the current implementation of MAX format
with the faster one and save the backward compatibility there.
-
Yury Katkov, WikiVote



On Thu, Nov 22, 2012 at 1:23 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:
 Hi,

 I would like to ask about this:

 http://semantic-mediawiki.org/wiki/Help:Max_format

 I am afraid to say that this idea seems to be fundamentally broken. The
 above page seriously suggests to find the largest population number in
 the wiki by querying for a list of *all cities with and without
 population* and invoke PHP code that scans through this list to find the
 maximum (this is what format=max does, AFAIK). The query to do this is:

 {{#ask: [[Category:City]]
 | ?Population
 | format=max
 }}

 This is an extremely slow method of producing wrong results (the results
 will be wrong as soon as there are enough pages in the wiki so that the
 one with the maximum value is after the default query limit when
 ordering results alphabetically).

 What one would do instead is to ask for the one result that has the
 largest value right away, like this:

 {{#ask: [[Category:City]]
 | ?Population
 | sort=population
 | order=DESC
 | limit=1
 | format=max
 }}

 The max format in this case is obsolete, since one could also just do

 {{#ask: [[Category:City]]
 | ?Population=
 | mainlabel=-
 | sort=population
 | order=DESC
 | limit=1
 }}

 This has the big advantage that one can also use further output
 formatting on the resulting number, e.g., to get it in a plain format
 without any beautification.


 I just noted these problems since there seem to be cases where PHP runs
 out of time/memory due to users following the above query anti-pattern
 [1]. My conclusion would be: let's drop max/min as soon as possible and
 change the documentation to give the efficient query pattern I gave above.

 Markus

 [1] https://bugzilla.wikimedia.org/show_bug.cgi?id=42347

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Re: [SMW-devel] [Semediawiki-user] s13n stands for semantification

[Yury Katkov]

Ok, I understand that: the choice is between to store or not to store
the source of the data by grouping the triples in graphs. Of course
it's up to core developers to choose.
Another set of questions:
1) how the s13n's programming interfaces for extension developers will
look like?
2) what is the priority of this task?
3) Is it possible to sponsor the development to make it quicker? I
think that the companies interested in this feature can build together
a fund/grant to support the volunteer. WikiVote can definitely take
part in that sponsorship campaign.
-
Yury Katkov, WikiVote



On Fri, Nov 16, 2012 at 9:35 PM, Jeroen De Dauw jeroended...@gmail.com wrote:
 Hey,


 Can you clarify the idea of named graphs a little bit? And what
 storage overhead we have in them?


 Instead of having rows such as

 ( subject id, property id, value )

 in the store, you instead have

 ( subject id, property id, value, graph id )

 Of course our schema is more complex then this, but it's the same idea.

 Cheers

 --
 Jeroen De Dauw
 http://www.bn2vs.com
 Don't panic. Don't be evil.
 --

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[SMW-devel] Results of the first day of SMWCon

[Yury Katkov]

Hi everyone!

You can now watch all the talks that were on the first day of SMWCon.

http://www.youtube.com/playlist?list=PLwtfwT1GnUQRaLki-YcF-_n8ndayi--W5

Here is a small summary for those who haven't been at the event.

  The day have begun with magnificent talk about Wikidata from its
project leader, Denny Vrandečić. In some sense Wikidata implements the
original vision of SMW and make the Wikipedia semantically annotated.

  We next had three sessions.

  First one was pretty technical and was dedicated mostly to
performance issues: after the traditional talk about the current state
of the project by Markus and Jeroen, Nischay told about the new
storage meschnism in SMW. Then Eloy describes how SMW is used in Wikia
and what benefits it gives to the wiki-owners and what problems it
sometimes caused.
  Second session was not about SMW but about the other wiki engines
that have similar functions. OntoWiki that separates the text and the
semantic annotations is used by AKSW laboratory for a lot of Linked
Data projects. BlueSpice, an extension bundle to make MediaWiki more
user-friendly and ready-to-use in the enterprises. KWARC tools that
allows to include machine-readable data to the mathematical content.
There are a lot of things SMW community can learn from these great
tools.
  Third session was dedicated to SMW applications in different
domains. We've seen how SMW helps people to support structured
discussion about the ontology objects (Cicero system). The other talk
was about using enhanced SMW for synchronizing the long-term
strategies of organizations to design the common future (Foresight
creation). Benedikt shows how to apply the platform for financial
analysis of a small organization. Finally Remco presented the case of
government application of SMW (Architectural Knowledge).

Ask questions here and on the talk's pages!
Cheers,
-
Yury Katkov, WikiVote

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[SMW-devel] s13n stands for semantification

[Yury Katkov]

Hi everyone!

I talked about the topic of semanticfication of the MediaWiki
extension with a lot of people in SMWCon and saw the great interest to
this topic.

We have tried to describe the problem on this page:
http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification

To the users: if you're interested in topics of s13n and have the use
case that is not described there - please describe it.

To the developers: let's think together what's needed to be done in
the SMW core to make s13n of the extensions cleaner and easier. Also
the rough time/effort  estimate would be great (maybe SMW companies
can sponsor the development?)

Cheers,
Yury Katkov, WikiVote

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Re: [SMW-devel] s13n stands for semantification

[Yury Katkov]

Hi Markus!

That's very nice! How hard/long is that task?

We can now use something like SMWStore::updateDataBefore hook, but not
good approach sometimes: with voting and history s13n you'll need to
create a lot of property values each time the data is updated.  When
you semantify the page history you'll need to create several hundreds
datavalues representing the revisions of the current page - that's too
exprensive.

-
Yury Katkov, WikiVote



On Fri, Nov 16, 2012 at 4:34 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:
 On 16/11/12 11:27, Yury Katkov wrote:

 Hi everyone!

 I talked about the topic of semanticfication of the MediaWiki
 extension with a lot of people in SMWCon and saw the great interest to
 this topic.

 We have tried to describe the problem on this page:

 http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification

 To the users: if you're interested in topics of s13n and have the use
 case that is not described there - please describe it.

 To the developers: let's think together what's needed to be done in
 the SMW core to make s13n of the extensions cleaner and easier. Also
 the rough time/effort  estimate would be great (maybe SMW companies
 can sponsor the development?)


 I have discussed this already with Jeroen. We can help to provide an
 infrastructure for this. However, the access paths for enabling efficient
 #ask queries are different from the traditional MW access paths to metadata,
 so all data that is to be s8ed (;-) will need to be replicated in SMW
 tables, even if the same MySQL DB is used.

 Cheers,

 Markus


 Cheers,
 Yury Katkov, WikiVote


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Re: [SMW-devel] s13n stands for semantification

[Yury Katkov]

s13n of page history is just converting all revision data into
properties and subobjects. Many promising usecases have been show in
Semantic History extension:
http://tw.rpi.edu/proj/semhis.wiki/index.php/Main_Page
Here are some examples of questions that can be answered with s13n of history:

- Show me the edits made by postdocs
- Show me the edits that were commented as 'style improvement'
- Who has changed the first name of James Hendler?
- What kind of properties do users from Category:Developers change mostly?


-
Yury Katkov, WikiVote



On Fri, Nov 16, 2012 at 7:24 PM, Nischay Nahata nischay...@gmail.com wrote:

 Hi Yury,

 On Fri, Nov 16, 2012 at 8:02 PM, Yury Katkov katkov.ju...@gmail.com wrote:

 Hi Markus!

 That's very nice! How hard/long is that task?

 We can now use something like SMWStore::updateDataBefore hook, but not
 good approach sometimes: with voting and history s13n you'll need to
 create a lot of property values each time the data is updated.  When
 you semantify the page history you'll need to create several hundreds
 datavalues representing the revisions of the current page - that's too
 exprensive.


 The update of data can take long if there are way too many properties, but I
 think they will do fine with
 about 10-15 on each page edit. More experienced developers will know more :)

 What do you mean by semantify the page history? Is this a ask query that
 shows up history?


 -
 Yury Katkov, WikiVote



 On Fri, Nov 16, 2012 at 4:34 PM, Markus Krötzsch
 mar...@semantic-mediawiki.org wrote:
  On 16/11/12 11:27, Yury Katkov wrote:
 
  Hi everyone!
 
  I talked about the topic of semanticfication of the MediaWiki
  extension with a lot of people in SMWCon and saw the great interest to
  this topic.
 
  We have tried to describe the problem on this page:
 
 
  http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification
 
  To the users: if you're interested in topics of s13n and have the use
  case that is not described there - please describe it.
 
  To the developers: let's think together what's needed to be done in
  the SMW core to make s13n of the extensions cleaner and easier. Also
  the rough time/effort  estimate would be great (maybe SMW companies
  can sponsor the development?)
 
 
  I have discussed this already with Jeroen. We can help to provide an
  infrastructure for this. However, the access paths for enabling
  efficient
  #ask queries are different from the traditional MW access paths to
  metadata,
  so all data that is to be s8ed (;-) will need to be replicated in SMW
  tables, even if the same MySQL DB is used.
 
  Cheers,
 
  Markus
 
 
  Cheers,
  Yury Katkov, WikiVote
 
 
 
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 --
 Cheers,

 Nischay Nahata
 nischayn22.in

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Re: [SMW-devel] [Semediawiki-user] s13n stands for semantification

[Yury Katkov]

Hi!
Can you clarify the idea of named graphs a little bit? And what
storage overhead we have in them?
-
Yury Katkov, WikiVote



On Fri, Nov 16, 2012 at 7:33 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:
 On 16/11/12 14:32, Yury Katkov wrote:

 Hi Markus!

 That's very nice! How hard/long is that task?


 Unknown. First we need to decide what we want to have.



 We can now use something like SMWStore::updateDataBefore hook, but not
 good approach sometimes: with voting and history s13n you'll need to
 create a lot of property values each time the data is updated.  When
 you semantify the page history you'll need to create several hundreds
 datavalues representing the revisions of the current page - that's too
 exprensive.


 The idea was to have data that is not governed by page updates. There are
 two basic designs:

 (1) We introduce something like named graphs. All data belongs to a graph.
 Only data in the default graph is updated with the page contents; other
 writing methods are provided for the rest. Maximally flexible, but some
 storage overhead.

 (2) We do not use graphs but bind this information to properties: some
 properties are governed by page contents, other properties are governed in
 other ways. Less flexible, but no storage overhead.

 Cheers,

 Markus


 -
 Yury Katkov, WikiVote



 On Fri, Nov 16, 2012 at 4:34 PM, Markus Krötzsch
 mar...@semantic-mediawiki.org wrote:

 On 16/11/12 11:27, Yury Katkov wrote:


 Hi everyone!

 I talked about the topic of semanticfication of the MediaWiki
 extension with a lot of people in SMWCon and saw the great interest to
 this topic.

 We have tried to describe the problem on this page:


 http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification

 To the users: if you're interested in topics of s13n and have the use
 case that is not described there - please describe it.

 To the developers: let's think together what's needed to be done in
 the SMW core to make s13n of the extensions cleaner and easier. Also
 the rough time/effort  estimate would be great (maybe SMW companies
 can sponsor the development?)



 I have discussed this already with Jeroen. We can help to provide an
 infrastructure for this. However, the access paths for enabling efficient
 #ask queries are different from the traditional MW access paths to
 metadata,
 so all data that is to be s8ed (;-) will need to be replicated in SMW
 tables, even if the same MySQL DB is used.

 Cheers,

 Markus


 Cheers,
 Yury Katkov, WikiVote



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Re: [SMW-devel] Help with ask queries - using intermediate results

[Yury Katkov]

Well you can also use template format if you don't like subqueries... It
would also help you to use the intermediate results.

-
Yury Katkov, WikiVote




On Wed, Nov 7, 2012 at 5:44 PM, Marcelo Chiaradía 
chiaradiamarc...@gmail.com wrote:

 Hi everyone,

 I'm trying to make an #ask query, using intermediates results to do more
 queries within.

 I have this scenario:

 I have several pages of a category A. Some of them are related to other
 pages of category B, through a has B property. Then, my B pages are
 related to pages of category C, through has C property, and finally my C
 pages have an attribute att1, through has att1 property, wich has
 defined a specific set of values.

 I would like to make an ask query, asking for all my A pages, whose must
 have at least one B page, which must have at least one C page, and which
 must have the att1 = SOME_VALUE, where some value should be a parameter.

 I read about subqueries, doing something like:

 {{#ask: [[Category::A]] [[has B::q[[Category::B]] [[has C::

 q[[Category::C]] [[has att1::{{SOME_VALUE}}]]/q]]
  /q]]
 |?att1
 }}

 Is this the right way to do this? is there a more elegant way?

 One other thing, I would like that if the user doesn't complete the
 SOME_VALUE parameter, then return all the pages of category A. I tried
 this with the + and * characters, but didnt work. How is the best way
 to achieve this?

 Thanks a lot in advance,

 Marcelo.


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Re: [SMW-devel] Wiki of the Month - November 2012: One Laptop per Child

[Yury Katkov]

Love these guys! Great wiki for the great mission!

-
Yury Katkov, WikiVote




On Thu, Nov 1, 2012 at 4:53 PM, Desiree Gennaro
desiree.genn...@gmail.comwrote:

 Hello Everyone,

 I am pleased to announce that the Semantic MediaWiki of the month for
 November 2012 is the One Laptop per Child Wiki.

 http://semantic-mediawiki.org/wiki/One_Laptop_per_Child

 The One Laptop per Child Wiki focuses on children's education, access to
 networks of collaboration, and access to knowledge in every region, in the
 local language, and for every age range and subject matter.

 Congratulations to the One Laptop per Child Wiki team for all of your
 hard work and thank you for sharing your wiki with us.

 As always, please do not forget to nominate your wiki. Just follow the
 instructions here:
 http://semantic-mediawiki.org/wiki/Wiki_of_the_Month#Nominate_a_wiki.

 Thanks,
 -Desi


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[SMW-devel] [SF] no validation in forms?

[Yury Katkov]

Hi Yaron and everyone!

We experimented a bit with Semantic Forms and found that the forms do
not validate the correctness of the values for 'values from category'.
Here is an example: I define a form with the field

{{field|nameofthefield|values from category=Mycategory|input type=dropdown}}

My intuition is that it's impossible to enter the value that is not
listed in a dropdown, so I want to rely on some validation mechanism
of SF.
It's not so, unfortunately.

Using Firebug or Chrome Developer (see [1]) I can alter any option
in a dropdown and send the data that is not allowed (see [2]).

Yaron, is the enhanced secuirity and validation of Forms currently in
the roadmap? IMHO it's a serious issue for those who use semantic
forms to really restrict the editing of the pages.


[1] http://i.imm.io/Jdm3.png
[2] http://i.imgur.com/WkPpG.png
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Re: [SMW-devel] SMWCon live broadcast

[Yury Katkov]

Thanks for everyone who is asking questions! We're broadcsting today
and tomorrow as well and in 2 minutes we will have a talk on OntoWiki!
We're welcome remote participants!
-
Yury Katkov, WikiVote



On Wed, Oct 24, 2012 at 9:19 AM, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi everyone!

 The first tutorial day of the SMWCon Fall 2012 has just been started!
 Good news, we have the live translation with Adobe Connect:
 https://webconf.vc.dfn.de/smwcon/

 Choose the guest account and join us remotely!
 To see the agenda, go here
 http://semantic-mediawiki.org/wiki/SMWCon_Fall_2012/Agenda


 -
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[SMW-devel] SMWCon live broadcast

[Yury Katkov]

Hi everyone!

The first tutorial day of the SMWCon Fall 2012 has just been started!
Good news, we have the live translation with Adobe Connect:
https://webconf.vc.dfn.de/smwcon/

Choose the guest account and join us remotely!
To see the agenda, go here
http://semantic-mediawiki.org/wiki/SMWCon_Fall_2012/Agenda


-
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Re: [SMW-devel] Dynamic filtered output

[Yury Katkov]

Hi Andru!

It looks terrific and we really need similar AJAX-feature for fitered
format.
1)  Do I understand correctly that by default (with no filters turned on)
you show some amount of results (say 20 results)?
2) a question to developers: how fast are the count queries? Maybe it's
good to use them when the user
And your skin is also lovely, if you have any plans to release it as open
source, I'll gladly help with that.

-
Yury Katkov, WIkiVote




On Mon, Oct 15, 2012 at 12:48 PM, Andru Vallance an...@tinymighty.comwrote:

 For the wiki I develop, I was interested in using the filtered output
 format, but needed the results to be loaded dynamically when filters were
 changed, as I have 7000+ results to filter.

 I began making changes to this effect, but under time pressure and with no
 documentation on the filtered output plugin, I realised it would be quicker
 to roll my own plugin which interfaces with the SMW API to create dynamic
 filters.

 My plugin operates quite differently, functioning as a parser function
 which takes a JSON object of settings to initiate rather than operating as
 an output format for an ask query, however if there is demand I could try
 and merge the dynamic functionality into the filtered output.

 You can see my plugin in action here:
 http://practicalplants.org/wiki/Search

 Would there be any demand for this? Or is it distinct enough in operation
 that it would be preferred that I polish up my own plugin and release it as
 a separate entity? If the former, is there any documentation on the
 operation of output formats to assist me in integration?

 Ta
 Andru Vallance

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Re: [SMW-devel] [Semediawiki-user] further development of filtered output

[Yury Katkov]

I see. Yes, that's pretty useful, but I personally don't know an easy way
to program such a thing, since all the filtering occurs on a client side.
So we either need to form CSV from javascript (seems unusual) or somehow
send the list of filtered information to a server and form the list there.
So maybe such a feature will require about 2-3 days of a programmer job.
-
Yury Katkov




On Fri, Oct 12, 2012 at 10:47 PM, Krabina Bernhard krab...@kdz.or.atwrote:

 this is one of the main features from the exhibit format.

 In a project/seminar management wiki, you filter for experts with special
 experiences (participation in projects, langage skills...). The resulting
 list should not only be displayed, but I want to export the names and
 contact addresses of the persons to write them e-mails...

 regards,
 Bernhard

  what do you need such a feature for? I can't imagine a use case
  myself.


 
  CSV export of filtered results, please!!!
 
  ;-)
 
  regards,
  Bernhard
 
  - Ursprüngliche Mail -
 
 
   Hi all.
  
   The next piece of functionality for the filtered format is calendar
   support. Stephan Gambke is working on this for me as we speak :)
   Please feel free to send me wishes. Maps is certainly on the list.
   This would be pretty useful, especially when coupled with the
   distance slider functionality the filtered format now has.
  
   Cheers
   Neill.
  
   On 12/10/12 16:38, Yury Katkov wrote:
  
  
   On Sun, Sep 30, 2012 at 10:00 PM, Krabina Bernhard 
   krab...@kdz.or.at  wrote:
  
  
  
   Hi,
  
   
 http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste
  
   that's great! Is the skin available somewhere?
  
   I asked the developer, she said that they no plans in opening the
   source code of the skin :( .
  
  
  
Who is interested in adding the following features of filtered in
a
Roadmap [1]?
1) support more than 'list' value in 'list view type'. For
example
what about make filters on a maps, wouldn't that be useful in any
wiki
with maps? Or timelines? Or the most powerful 'template' output?
  
   I would need the possibility of exporting the filtered entries to
   an
   csv file!
  
   This is very application specific feature, or so it seems to me.
  
   regards,
   Bernhard
  
  
  
  
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Re: [SMW-devel] [News] SMWCon Fall 2012 Program

[Yury Katkov]

Hi everyone, it's some hot SMWCon news!

Ask the speaker is an experimental feature of  our conference that we
want you to try to make it more exciting and to adjust the contents of the
talks to your specific need.
Each talk has an infobox with the link Ask the speaker that allows you to
ask the presenter questions you're interested in. Do you want the speaker
to talk more about the technical details of the topic? or maybe you're
interested in business model? or maybe you need more scientific details?
Don't hesitate to communicate the speaker  even before the conference
begins.

All the talks are listed in the Agenda:

http://semantic-mediawiki.org/wiki/SMWCon_Fall_2012/Agenda

See you in Cologne!
Yury Katkov

P.S. yes,yes, nowadays 'Ask the speake'r just links to the discussion page
of the talk. :)




On Wed, Oct 10, 2012 at 8:44 PM, Markus Krötzsch 
mar...@semantic-mediawiki.org wrote:

 Dear all,

 the program for the upcoming SMWCon in Cologne is becoming more and more
 stable [1]. Most talks should be at their almost final location now.
 There are quite a few highlights that are worth mentioning:

 * We have two exciting keynote talks by Denny Vrandecic (Wikimedia
 Germany e.V.) and Peter Haase (fluidOps):

 Denny will introduce Wikidata, the next big thing for Wikipedia, and the
 underlying software Wikibase. The co-operation of SMW and Wikidata will
 be an important topic of this SMWCon.

 Peter will introduce the Information Workbench, a semantic knowledge
 management solution by fluidOps. For the first time, SMWCon will include
 a number of talks on related systems that are not SMW. Other highlights
 in this category include OntoWiki, BlueSpice, SlideWiki, and the
 Drupal-based Planetary System. I am sure that it will be insightful and
 inspiring to exchange experiences with these projects.

 * We'll have a number of practical experience talks. I am particularly
 looking forward to the insights of Wikia Inc., presented by Krzysztof
 Krzyżaniak (eloy).

 * Joel Natividad will join us live from NY to report about his
 award-winning sites and new smart city projects.

 * And of course there will be plenty of updates on SMW and its old and
 new extensions, including a number of presentations about using SMW in
 completely new ways.

 The tutorial day will leave more space for discussions and practical
 work, especially to discuss problems and ideas with the developers (as
 usual, we will have a very high concentration of those). As a special
 non-semantic tutorial, Yury Katkov will share his first-hand
 experience in fighting spam on semanticweb.org and
 semantic-mediawiki.org, a topic that concerns many public SMW sites.

 Cheers,

 Markus

 [1] http://semantic-mediawiki.org/wiki/SMWCon_Fall_2012/Agenda


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Re: [SMW-devel] [Semediawiki-user] further development of filtered output

[Yury Katkov]

On Sun, Sep 30, 2012 at 10:00 PM, Krabina Bernhard krab...@kdz.or.atwrote:

 Hi,

  http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste

 that's great! Is the skin available somewhere?

I asked the developer, she said that they no plans in opening the source
code of the skin :( .


  Who is interested in adding the following features of filtered in a
  Roadmap [1]?
  1) support more than 'list' value in 'list view type'. For example
  what about make filters on a maps, wouldn't that be useful in any
  wiki
  with maps? Or timelines? Or the most powerful 'template' output?

 I would need the possibility of exporting the filtered entries to an csv
 file!

This is very application specific feature, or so it seems to me.

 regards,
 Bernhard

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Re: [SMW-devel] [Semediawiki-user] further development of filtered output

[Yury Katkov]

I thought that the search textbox can be of use. Imagine - the reseul of
your query is a filtered interface and you can even search through its
results.

-
Yury Katkov




On Fri, Oct 12, 2012 at 7:38 PM, Yury Katkov katkov.ju...@gmail.com wrote:

 On Sun, Sep 30, 2012 at 10:00 PM, Krabina Bernhard krab...@kdz.or.atwrote:

 Hi,

  http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste

 that's great! Is the skin available somewhere?

 I asked the developer, she said that they no plans in opening the source
 code of the skin :( .


  Who is interested in adding the following features of filtered in a
  Roadmap [1]?
  1) support more than 'list' value in 'list view type'. For example
  what about make filters on a maps, wouldn't that be useful in any
  wiki
  with maps? Or timelines? Or the most powerful 'template' output?

 I would need the possibility of exporting the filtered entries to an csv
 file!

 This is very application specific feature, or so it seems to me.

 regards,
 Bernhard



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Re: [SMW-devel] [Semediawiki-user] further development of filtered output

[Yury Katkov]

Hi Bernard,

 what do you need such a feature for? I can't imagine a use case myself.
-
Yury Katkov




On Fri, Oct 12, 2012 at 10:33 PM, Krabina Bernhard krab...@kdz.or.atwrote:

 CSV export of filtered results, please!!!

 ;-)

 regards,
 Bernhard

 - Ursprüngliche Mail -
  Hi all.
 
  The next piece of functionality for the filtered format is calendar
  support. Stephan Gambke is working on this for me as we speak :)
  Please feel free to send me wishes. Maps is certainly on the list.
  This would be pretty useful, especially when coupled with the
  distance slider functionality the filtered format now has.
 
  Cheers
  Neill.
 
  On 12/10/12 16:38, Yury Katkov wrote:
 
 
  On Sun, Sep 30, 2012 at 10:00 PM, Krabina Bernhard 
  krab...@kdz.or.at  wrote:
 
 
 
  Hi,
 
   http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste
 
  that's great! Is the skin available somewhere?
 
  I asked the developer, she said that they no plans in opening the
  source code of the skin :( .
 
 
 
   Who is interested in adding the following features of filtered in a
   Roadmap [1]?
   1) support more than 'list' value in 'list view type'. For example
   what about make filters on a maps, wouldn't that be useful in any
   wiki
   with maps? Or timelines? Or the most powerful 'template' output?
 
  I would need the possibility of exporting the filtered entries to an
  csv file!
 
  This is very application specific feature, or so it seems to me.
 
  regards,
  Bernhard
 
 
 
 
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Re: [SMW-devel] [Semediawiki-user] [SF] the advanced usage of forms

[Yury Katkov]

I need the first one. There are some problems with this
UrlGetParameters approach: it seems that it will work for article
creation using the #formlink but it will not work for article edition
using 'Edit with Form' button. Another problem is that the parameters
for allowed value set restrictions may not be defined from the
beginning.

Linking together pages inside the website section is typical example
of such feature. Am I right that the most frighting thing here is
making ask-queries in AJAX code?
-
Yury Katkov



On Mon, Oct 1, 2012 at 7:16 PM, Yaron Koren ya...@wikiworks.com wrote:
 Hi,

 No, the two examples are different - the silly one involves two
 substitions, based on editable fields, while the real one involves one
 substitution, directly from the query string. Can you clarify the
 discrepancy? What is the form that you actually need?

 -Yaron


 On Mon, Oct 1, 2012 at 11:11 AM, Yury Katkov katkov.ju...@gmail.com wrote:

 Hi Yaron!

 No, these two examples (the synthetic and silly flower example and the
 real-world brainstorming example) are really the same.
 What I need is to use the data that user put in the field1 as the
 parameter of the query that defines the allowed values set in the
 field2.

 Anyway, I'll try to clarify:
 So the user edits the Flower Rose. He entered the Genus of Rose :
 Rosa. He entered the color of Rose - for example Red. The field
 'related flowers' will be the listbox of all red flowers with genus
 Rosa:

 {{field|related flowers|values from

 query=[[Category:$1]][[Color::$2]][[Owner::+]]|substitute=Flowers[Genus],Flowers[Color]|input
 type=listbox}}

 -
 Yury Katkov



 On Mon, Oct 1, 2012 at 6:35 PM, Yaron Koren ya...@wikiworks.com wrote:
  Hi Yury,
 
  I don't understand - are your data needs more complex than what you put
  in
  that sample form definition code earlier? If so, can you revise that
  sample
  code to more accurately reflect what you want your form to look like?
 
  -Yaron
 
 
  On Mon, Oct 1, 2012 at 2:53 AM, Yury Katkov katkov.ju...@gmail.com
  wrote:
 
  Hi Yaron!
 
  There is no problem in passing the Session parameter I can use either
  'query string' parameter of the formlink or the urlget function.
  In this Trend form my main problem is to restrict the set of possible
  values which will be displayed in the Related events listboxes:
  1) All these values are pagenames for pages in Events category
  2) All these pages belongs to the same Session as the Trend, that I'm
  currently looking at
 
  The same is for related Technologies: I want to link objects only
  inside the session, so that the participants of the session The
  Future of Food don't try to link there Trends and possible events
  with objects from the Session The future of titan manufacturing .
 
  The two restrictions to possible values in the listbox I'have just
  noted can be three or four; and all of them can be dependent on what
  is currently entered in the form.
  -
  Yury Katkov
 
 
 
  On Mon, Oct 1, 2012 at 4:26 AM, Yaron Koren ya...@wikiworks.com
  wrote:
   Hi Yury,
  
   This sounds like a very different example - here the original,
   source
   field is just a hidden field that gets its value from the query
   string.
   In
   that case, I would think the ideal solution would be to use the
   UrlGetParameters extension, to directly use the query string value:
  
   https://www.mediawiki.org/wiki/Extension:UrlGetParameters
  
   I'm not entirely sure that this would work, because I don't remember
   which
   parts of the form syntax let you embed a parser function within them
   -
   but
   if it doesn't work, then getting it to work would seem like the
   simpler,
   and
   better, solution.
  
   -Yaron
  
  
   On Sun, Sep 30, 2012 at 3:41 PM, Yury Katkov katkov.ju...@gmail.com
   wrote:
  
   Hi Yaron!
  
   My example is surely very silly and synthetic so let's just forget
   about the flowers
   I'll try to explain the real problem I faced with in a Foresight
   wiki.
  
   Here is my problem domain. There are several brainstorming sessions
   about the forecasts on a distant future, all of them have different
   topics. Each of those sessions has various objects as the results of
   the brainstorming: future trends, possible technologies that may
   appear in the future, possible important events. All these data are
   loaded to the wiki using the semantic forms. After the brainstorming
   ends, the participants can improve the objects, categorize them and
   link them together.
  
   Here for example I have the Trend objects. I want to connect Trends
   to
   the Events and to Technologies but only inside the current
   brainstorming session.
  
   The semantic form for Trend will look like that:
   FORM...
   {{{field|session name|hidden|required}}} // the only valid way to
   create a trend is using the #formlink  on a Session's page. Formlink
   will fill this value with the name of the session
  
   {{{field|related events|values from

Re: [SMW-devel] [Semediawiki-user] [SF] the advanced usage of forms

[Yury Katkov]

I haven't tried #show yet but I have tried #ask. It seems that the
parser functions cannot be called inside of {{{field}}} tag.
 So is that definitely  the case, or are you just guessing that you might 
 require this feature in
 the future?

Definitely-definitely. We need some kind of solution for this now,
whatever hackish it may be, and I can see that there will be more
projects where such feature is needed (especially the projects on
social roadmapping and strategic foresight).

-
Yury Katkov



On Mon, Oct 1, 2012 at 8:06 PM, Yaron Koren ya...@wikiworks.com wrote:
 Ah, that's true, I didn't think about the edit with form case. Well, for
 that, you could use #show, assuming the value is being stored semantically -
 and you could have an #ifexists call to tie the whole thing together, so
 that #urlget is called for new pages, and #show is called for existing
 pages. It's a hack, but it wouldn't require any custom development.

 As for parameters may not be defined from the beginning - that's the
 central issue. New development would be required only if (a) they're not,
 and (b) there's more than one of them - since a single editable parameter
 can be handled by the values dependent on feature. So is that definitely
 the case, or are you just guessing that you might require this feature in
 the future?

 -Yaron

 On Mon, Oct 1, 2012 at 11:36 AM, Yury Katkov katkov.ju...@gmail.com wrote:

 I need the first one. There are some problems with this
 UrlGetParameters approach: it seems that it will work for article
 creation using the #formlink but it will not work for article edition
 using 'Edit with Form' button. Another problem is that the parameters
 for allowed value set restrictions may not be defined from the
 beginning.

 Linking together pages inside the website section is typical example
 of such feature. Am I right that the most frighting thing here is
 making ask-queries in AJAX code?
 -
 Yury Katkov



 On Mon, Oct 1, 2012 at 7:16 PM, Yaron Koren ya...@wikiworks.com wrote:
  Hi,
 
  No, the two examples are different - the silly one involves two
  substitions, based on editable fields, while the real one involves
  one
  substitution, directly from the query string. Can you clarify the
  discrepancy? What is the form that you actually need?
 
  -Yaron
 
 
  On Mon, Oct 1, 2012 at 11:11 AM, Yury Katkov katkov.ju...@gmail.com
  wrote:
 
  Hi Yaron!
 
  No, these two examples (the synthetic and silly flower example and the
  real-world brainstorming example) are really the same.
  What I need is to use the data that user put in the field1 as the
  parameter of the query that defines the allowed values set in the
  field2.
 
  Anyway, I'll try to clarify:
  So the user edits the Flower Rose. He entered the Genus of Rose :
  Rosa. He entered the color of Rose - for example Red. The field
  'related flowers' will be the listbox of all red flowers with genus
  Rosa:
 
  {{field|related flowers|values from
 
 
  query=[[Category:$1]][[Color::$2]][[Owner::+]]|substitute=Flowers[Genus],Flowers[Color]|input
  type=listbox}}
 
  -
  Yury Katkov
 
 
 
  On Mon, Oct 1, 2012 at 6:35 PM, Yaron Koren ya...@wikiworks.com
  wrote:
   Hi Yury,
  
   I don't understand - are your data needs more complex than what you
   put
   in
   that sample form definition code earlier? If so, can you revise that
   sample
   code to more accurately reflect what you want your form to look like?
  
   -Yaron
  
  
   On Mon, Oct 1, 2012 at 2:53 AM, Yury Katkov katkov.ju...@gmail.com
   wrote:
  
   Hi Yaron!
  
   There is no problem in passing the Session parameter I can use
   either
   'query string' parameter of the formlink or the urlget function.
   In this Trend form my main problem is to restrict the set of
   possible
   values which will be displayed in the Related events listboxes:
   1) All these values are pagenames for pages in Events category
   2) All these pages belongs to the same Session as the Trend, that
   I'm
   currently looking at
  
   The same is for related Technologies: I want to link objects only
   inside the session, so that the participants of the session The
   Future of Food don't try to link there Trends and possible events
   with objects from the Session The future of titan manufacturing .
  
   The two restrictions to possible values in the listbox I'have just
   noted can be three or four; and all of them can be dependent on what
   is currently entered in the form.
   -
   Yury Katkov
  
  
  
   On Mon, Oct 1, 2012 at 4:26 AM, Yaron Koren ya...@wikiworks.com
   wrote:
Hi Yury,
   
This sounds like a very different example - here the original,
source
field is just a hidden field that gets its value from the query
string.
In
that case, I would think the ideal solution would be to use the
UrlGetParameters extension, to directly use the query string
value:
   
https://www.mediawiki.org/wiki/Extension:UrlGetParameters
   
I'm

Re: [SMW-devel] [Semediawiki-user] [SF] the advanced usage of forms

[Yury Katkov]

Hi Yaron!

My example is surely very silly and synthetic so let's just forget
about the flowers
I'll try to explain the real problem I faced with in a Foresight wiki.

Here is my problem domain. There are several brainstorming sessions
about the forecasts on a distant future, all of them have different
topics. Each of those sessions has various objects as the results of
the brainstorming: future trends, possible technologies that may
appear in the future, possible important events. All these data are
loaded to the wiki using the semantic forms. After the brainstorming
ends, the participants can improve the objects, categorize them and
link them together.

Here for example I have the Trend objects. I want to connect Trends to
the Events and to Technologies but only inside the current
brainstorming session.

The semantic form for Trend will look like that:
FORM...
{{{field|session name|hidden|required}}} // the only valid way to
create a trend is using the #formlink  on a Session's page. Formlink
will fill this value with the name of the session

{{{field|related events|values from
query=[[Category::Event]][[session::$1]]|substitute=Trend[session
name] | input type=two listboxes}}}

{{{field|related technologies|values from
query=[[Category::Technology]][[session::$1]]|substitute=Trend[session
name] | input type=two listboxes}}}
...
END OF FORM

I can use values from concept but it's a very bad workaround if I have
many sessions.

I hope now the case is more clear.
-
Yury Katkov



On Sun, Sep 30, 2012 at 6:22 PM, Yaron Koren ya...@wikiworks.com wrote:
 Hi Yury,

 Well, you bring up two proposed features for SF here: a standard values
 from query parameter (which you submitted a patch for), and the ability to
 include variables, representing the current content of some other form
 field, in the field tag - which could go into a values from query
 parameter, but it wouldn't necessarily have to. I'll just focus on the
 second one here.

 This is a complex need, and one that I think is out of the ordinary: you
 want users to select a genus, and a color, and then only flowers that match
 those two fields, and additionally have an owner specified for them, will
 show up in a listbox.

 My main question is, what sort of page is this form meant to edit? Is it a
 page about a collection of flowers that all share one genus and color? I
 don't know if this an actual form you're talking about, or just a metaphor
 for a form that holds more technical data that's harder to explain, but in
 either case it seems odd. Basically you're talking about creating a subset
 of a subset - a group of pages that match both solid criteria (the color and
 the genus) and arbitrary criteria (the user's choice). I haven't heard of
 that kind of use case - but maybe it makes sense for the circumstances.
 Could you explain the data structure of this form in more detail?

 -Yaron

 On Sat, Sep 29, 2012 at 8:38 PM, Yury Katkov katkov.ju...@gmail.com wrote:

 Hi James!

 Example 3 in the documentationlooks very much like my case, thank you
 so much!!! I'll try
 it tomorrow, maybe it will suit me as a temporary decision. I don't
 think that it uses ResourceLoader and am not sure that it is
 compatible with the latest versions of MW/SMF/SF.

 It also seems Jason Zhang can only use one value to substitute instead
 of , is that right?

 Anyway the existence of such extensions shows that more than me alone
 need such a feature. Also I'll look at your AJAX calls and hopefully
 will be able to answer to a question (1) to developers.

 The question (2) to developers remains and also I'm open to discussion
 about the syntax.

 Cheers,
 Yury


 On Sun, Sep 30, 2012 at 4:22 AM, James HK jamesin.hongkon...@gmail.com
 wrote:
  Hi,
 
  See [1] which is an extension that generates option values from a
  semantic query or parser function for a specified form field.
 
  [1]
  http://www.mediawiki.org/wiki/Extension:SemanticFormsSelect#Query_And_Function_format
 
  Cheers
 
  On 9/30/12, Yury Katkov katkov.ju...@gmail.com wrote:
  Hi everyone!
 
  I think I need something like 'values dependent on' but a little bit
  more
  powerful for my Forms.
  I've recently added 'values from query' parameter for the field tag in
  Semantic Forms (maybe it will be approved), see here for the details
  [1]
 
  What I need is the ability to create the fields like this one:
 
  {{field|values from
 
  query=[[Category:$1]][[Color::$2]][[Owner::+]]|substitute=Flowers[Genus],Flowers[Color]|input
  type=listbox}}
 
  This listbox will show the following list of possible values:
  1) the possible values will be the names of the wikipages
  2) all these wikipages will have an Owner property
  3) there will be belong to a category that is stored in a field Genus
  of
  the template Flowers
  4) there will have the property Color and the color will be store in a
  field called Color
 
  My question to the users of SMW: Is anybody interested in such a
  feature?
  My

[SMW-devel] further development of filtered output

[Yury Katkov]

Hi everyone!

'Filtered' result format is fabulous! Look how beautiful the website
can be with it:

http://kalmar12.fzi.de/testskinwiki/index.php/Spezial:Anwendungsliste
http://foresighttrip.wikivote.ru/index.php/%D0%9D%D0%BE%D0%B2%D1%8B%D0%B5_%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%B0

Who is interested in adding the following features of filtered in a
Roadmap [1]?
1) support more than 'list' value in 'list view type'. For example
what about make filters on a maps, wouldn't that be useful in any wiki
with maps? Or timelines? Or the most powerful 'template' output?
2) support AJAX. Now all the filtering is done on the client and for
many values there will be a performance problem.
3) support visual appearance settings

[1] http://semantic-mediawiki.org/wiki/Roadmap
-
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[SMW-devel] [SF] the advanced usage of forms

[Yury Katkov]

Hi everyone!

I think I need something like 'values dependent on' but a little bit more
powerful for my Forms.
I've recently added 'values from query' parameter for the field tag in
Semantic Forms (maybe it will be approved), see here for the details [1]

What I need is the ability to create the fields like this one:

{{field|values from
query=[[Category:$1]][[Color::$2]][[Owner::+]]|substitute=Flowers[Genus],Flowers[Color]|input
type=listbox}}

This listbox will show the following list of possible values:
1) the possible values will be the names of the wikipages
2) all these wikipages will have an Owner property
3) there will be belong to a category that is stored in a field Genus of
the template Flowers
4) there will have the property Color and the color will be store in a
field called Color

My question to the users of SMW: Is anybody interested in such a feature?
My questions to SMW\SF developers:
1) is it possible to make semantic queries on the fly using AJAX+SMWAsk
API?
2) Our project really needs such a feature. If we program here, is it
likely to be merged with the core of Semantic Forms?


[1] https://bugzilla.wikimedia.org/show_bug.cgi?id=40629
-
Yury Katkov
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Re: [SMW-devel] [SF] the advanced usage of forms

[Yury Katkov]

Hi James!

Example 3 in the documentationlooks very much like my case, thank you
so much!!! I'll try
it tomorrow, maybe it will suit me as a temporary decision. I don't
think that it uses ResourceLoader and am not sure that it is
compatible with the latest versions of MW/SMF/SF.

It also seems Jason Zhang can only use one value to substitute instead
of , is that right?

Anyway the existence of such extensions shows that more than me alone
need such a feature. Also I'll look at your AJAX calls and hopefully
will be able to answer to a question (1) to developers.

The question (2) to developers remains and also I'm open to discussion
about the syntax.

Cheers,
Yury


On Sun, Sep 30, 2012 at 4:22 AM, James HK jamesin.hongkon...@gmail.com wrote:
 Hi,

 See [1] which is an extension that generates option values from a
 semantic query or parser function for a specified form field.

 [1] 
 http://www.mediawiki.org/wiki/Extension:SemanticFormsSelect#Query_And_Function_format

 Cheers

 On 9/30/12, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi everyone!

 I think I need something like 'values dependent on' but a little bit more
 powerful for my Forms.
 I've recently added 'values from query' parameter for the field tag in
 Semantic Forms (maybe it will be approved), see here for the details [1]

 What I need is the ability to create the fields like this one:

 {{field|values from
 query=[[Category:$1]][[Color::$2]][[Owner::+]]|substitute=Flowers[Genus],Flowers[Color]|input
 type=listbox}}

 This listbox will show the following list of possible values:
 1) the possible values will be the names of the wikipages
 2) all these wikipages will have an Owner property
 3) there will be belong to a category that is stored in a field Genus of
 the template Flowers
 4) there will have the property Color and the color will be store in a
 field called Color

 My question to the users of SMW: Is anybody interested in such a feature?
 My questions to SMW\SF developers:
 1) is it possible to make semantic queries on the fly using AJAX+SMWAsk
 API?
 2) Our project really needs such a feature. If we program here, is it
 likely to be merged with the core of Semantic Forms?


 [1] https://bugzilla.wikimedia.org/show_bug.cgi?id=40629
 -
 Yury Katkov


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Re: [SMW-devel] [SF][PS] different layouts for CreateTemplate\Create Class and PageSchemas

[Yury Katkov]

Yaron, we can steel some from Wiki of the month. Besides them I have
the following ideas:
* infobox layout a in wikipedia
* div layout such as here  http://goo.gl/1m3k9
... more to come
-
Yury Katkov




On Wed, Aug 29, 2012 at 6:10 PM, Yaron Koren ya...@wikiworks.com wrote:

 Hi Yury,

 By a staggering coincidence, I'm actually planning to release a new version 
 of Semantic Forms, either today or tomorrow (the first in five months) that 
 will have two more template layouts: one in which field names are section 
 headers, and one in which field names are just bolded text. In addition to 
 the two layouts that SF already provided, that will make for four layout 
 possibilities altogether. The new SF version also contains a hook for Page 
 Schemas, so that PS can offer those same layout options.

 More options are good, though, so if you have ideas for dozens, or even a 
 few, more layouts, I'd be glad to hear them.

 -Yaron

 On Wed, Aug 29, 2012 at 8:59 AM, Yury Katkov katkov.ju...@gmail.com wrote:

 Hi everyone!

 I think that most of the users don't create templates and forms by-hand but 
 use r CreateTemplate\Create Class and PageSchemas instead.
 I think that it's possible to make an improvement to the creation of 
 templates if we introduce different layouts for those templates.
 Now all the templates that are generated from 
 PageSchemas\CreateTemplate\CreateClass have the 'table layout' and almost 
 always need rewrite. I think that the administrators will feel a lot more 
 relaxed if we have some dozens more layouts in addition to this flat table 
 layout: the div's layouts, the fixed width or automatically expanded 
 layouts. Of course the colorschemes of these layouts can also vary.

 What do you think about this idea?
 -
 Yury Katkov



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[SMW-devel] unit tests and acceptance tests of SMW+SF+SRF+...

[Yury Katkov]

Hi everyone!
Two questions I have:

1. Can you share your experience about testing SMW-based systems? For
example now we're upgrading all the versions of MediaWiki, SMW and other
extensions and we're getting very alarmed how to ensure if the result works
without errors. Intuitively for manual testing we need the set of pages,
properties and forms that uses all features of SMW-extensions. Does anybody
have such a test case? Or can we use another testing strategy?

2. We want to use the latest wmf version of MediaWiki as the base platform
of our wiki. Is this a wise idea in your opinion or should we use the
stable version?


Sincerely yours,
Yury Katkov
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[SMW-devel] [SF] Using templates in Semantic Forms. Distant alteration of the form values

[Yury Katkov]

Hi everyone!

1. Is it possible to use {{{info}}}, {{{for template}}}, {{{field}}}
and other SF tags in MediaWiki templates?
2. More broadly: is it possible to create a template for forms? I
mean, here is a template. If I add this template to the page - I will
have a form. I tried that and failed: it's probably because the
formtags' syntax is the same as the syntax for template parameters.
3. Suppose I'm staying on a Page1. Can I add the button to the Page1
that will alter some value on a Page2 (of course both pages were
created by forms)?
4. If it's not possible now, is it difficult to change? That would be
a new level of abstraction: dynamically added forms, metaforms that
creates other forms, nanoforms for adding things on-the-fly!

Sincerely yours,
-
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Re: [SMW-devel] figuring out what semantic properties will be in the text

[Yury Katkov]

 Do you need the association between property and source text?
Probably I do. I want to know whether or not the user will change the
property befor the text is stored in the database.
 I don't know exactly how SMW works, but it should be possible to parse
again the article text and collect the semantic annotations IF they
are stored in the ParserOutput (can someone else confirm this?)
it seems plausable. What about inferred properties? Will I be able the see
them?
-
Yury Katkov




On Wed, Jul 25, 2012 at 1:52 PM, Niklas Laxström
niklas.laxst...@gmail.comwrote:

 On 25 July 2012 03:33, Yury Katkov katkov.ju...@gmail.com wrote:
 
  So here is my question: is it possible to figure out the properties
 before
  the text is actually stored in the database?

 I don't know exactly how SMW works, but it should be possible to parse
 again the article text and collect the semantic annotations IF they
 are stored in the ParserOutput (can someone else confirm this?). The
 downside with that is that parsing again introduces some overhead.

   -Niklas

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Re: [SMW-devel] PHP requirements

[Yury Katkov]

Hi!

Shouldn't we hold these requirements in the extensions? [1]

[1] http://www.mediawiki.org/wiki/Manual:Installation_requirements
-
Yury Katkov



On Tue, Jul 17, 2012 at 2:31 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:
 On 17/07/12 09:48, Benedikt Kämpgen wrote:
 Hello,

 Validator uses get_called_class in 
 Validator/includes/definitions/ParamDefinition.php on line 872.

 Apparently, this method is only available from PHP 5.3.0 onwards.

 Does that mean that Validator and SMW do require PHP = 5.3.0 from now on?

 Yes, upcoming versions of SMW are planned to require PHP 5.3.0. Is this
 a problem for you?

 Best,

 Markus




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Re: [SMW-devel] PHP requirements

[Yury Katkov]

On Tue, Jul 17, 2012 at 4:14 PM, Jeroen De Dauw jeroended...@gmail.com wrote:
 Hey,


 Shouldn't we hold these requirements in the extensions? [1]

 These docs are for MediaWiki 1.19. 1.20 does require 5.3 or later.
Oh, I see. No objections then!
 Furthermore, I send a mail to the lists about using PHP 5.3 in the next
 version of SMW, and no one complained. And several extensions I maintain
 already require it, and no one complained about that either. So do you have
 any specific reason for not using it outweighing the advantages? :)

 Cheers

 --
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 http://www.bn2vs.com
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Re: [SMW-devel] [SF] Spinbox for SF

[Yury Katkov]

Hi Yaron,
I think that the main advantage of the spinbox over a generic field is that
the spinbox is recognizable as input for inserting only numbers. So often
the users of my wikis make mistakes and inserted values like over 9000 or
9000 (approximately) instead of just 9000. This usually leaded to
problems in queries and the wiki produced not nice looking error
notifications.
I usually solved these problems by adding explanations to the fields and
use regex filtering. However I think that the amount or user errors will
decrease if we use spinner for numbers.

I agree though that the the change in default look of the forms is very
important and always must be done very carefully: I myself hated the switch
to KDE4, Unity and most of all
GMail's-barbarian-forced-switch-to-a-new-look.

Another thing is that wiki-admins may have attached some CSS and JS to html
elements and the change will broke the appearance of their forms.

So I'll integrate the spinbox input to SFI.

Sincerely yours,

Yury

02.07.2012 19:45 пользователь Yaron Koren ya...@wikiworks.com написал:

 Hi Yury,

 Very interesting. This certainly looks like a useful input, though I don't
 know if it makes sense as a default input for the Number type.
 Personally, I associate spinners with graphical applications like word
 processors and illustration apps, where it lets you quickly try out small
 variations on different settings, then preview to see whether that's an
 improvement or not. I don't know if I've ever seen a spinner on an input
 where the number is known in advance, and you just have to enter it in.
 (I've seen dropdowns in cases like that, like when you have to enter the
 number of people in an online reservations form, but that's not entirely
 the same thing.)

 Maybe other people disagree, though. If you or othes have more opinions
 about this, feel free to share them. It would be a pretty big change to the
 look of forms, but sometimes change is good.

 If it's not going to be the default input type, though, I would say it
 makes more sense in SFI, because that's where most of the Javascript-based
 inputs go.

 By the way, it would be nice to actually see the spinner input in action,
 but it looks like editing on that wiki is restricted to administrators. Not
 that big a deal, though - I can imagine how it works.

 Also - it's great to see the two listboxes input, above it on the form!
 It looks even cooler than I thought it would be; I didn't realize there was
 an autocompletion element to it too.

 -Yaron

 On Mon, Jul 2, 2012 at 9:55 AM, Yury Katkov katkov.ju...@gmail.comwrote:

 Hi everyone!

 Alexey Klimovich from WikiVote developed great form input for spinners
 (spinboxes). Should we integrate this input with SF or with SFI? In my
 opinion spinner should be default input for number data: not because
 those little buttons are handy but because the user recognizes
 immediately that she have to put the number (not string) in the box.

 You can see the input in action here [1] and this library [2] have been
 used.

 The input supports the following parameters:
 * min and max values
 * showonfocus - show buttons on hover

 We'll probably add these parameters soon:
 * step - the step of a single increment/decrement
 * prefix - text before the number
 * suffix - text after the number

 [1] http://goo.gl/raIY9
 [2] https://github.com/btburnett3/jquery.ui.spinner

 Sincerely yours,
 Yury Katkov




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[SMW-devel] [SF] Spinbox for SF

[Yury Katkov]

Hi everyone!

Alexey Klimovich from WikiVote developed great form input for spinners
(spinboxes). Should we integrate this input with SF or with SFI? In my
opinion spinner should be default input for number data: not because
those little buttons are handy but because the user recognizes
immediately that she have to put the number (not string) in the box.

You can see the input in action here [1] and this library [2] have been used.

The input supports the following parameters:
* min and max values
* showonfocus - show buttons on hover

We'll probably add these parameters soon:
* step - the step of a single increment/decrement
* prefix - text before the number
* suffix - text after the number

[1] http://goo.gl/raIY9
[2] https://github.com/btburnett3/jquery.ui.spinner

Sincerely yours,
Yury Katkov

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Re: [SMW-devel] in place editing and SMW

[Yury Katkov]

Hi Benedikt!

I think that the results of semantic annotations and result formats
can be wrapped in span with html id tag. In this case they will be
accessible from a rendered page.
-
Yury Katkov



On Mon, Jul 2, 2012 at 6:42 PM, Benedikt Kämpgen
benedikt.kaemp...@kit.edu wrote:
 Hi,

 - How do you currently detect semantic annotations and templates in the
 wiki-text (regex or so)?
 I had a go at Inline Editing a while ago. Back then it was not possible to
 detect semantic annotations after wikitext is shown in HTML. I proposed to
 wrap annotations in RDFa, e.g. as done at [1], but this would require some
 changes to parsing. If the shown html expressed its annotations, it would be
 easier to implement inline editing functionality.

 There have been other efforts about Inline Editing:

 * tabularform format of Halo
 * Some demos by Vulcan
 * http://www.mediawiki.org/wiki/User:JanPaul123/Sentence-level_editing

 If you are interested, look for Inline Editing in the developer mailing
 list.

 I do not want to discourage you - I think it is a great idea - but you
 should have a look at other efforts.

 Best,

 Benedikt


 [1] http://bergie.iki.fi/blog/using_rdfa_to_make_a_web_page_editable/

 --
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 Phone: +49 721 608-47946
 Email: benedikt.kaemp...@kit.edu
 Web: http://www.aifb.kit.edu/web/Hauptseite/en



 -Original Message-
 From: Lists [mailto:li...@psycholutions.com]
 Sent: Sunday, June 10, 2012 3:22 AM
 To: 'Jeroen De Dauw'
 Cc: semediawiki-devel@lists.sourceforge.net
 Subject: Re: [SMW-devel] in place editing and SMW

 Hey Jeroen,

 thx for the answer. I think I can minimize the limitations to
 page/template
 transclusions in the first degree/release- so manual semantic annotations
 will
 be automatically stored/updated after a page refresh with the new
 wiki-text
 content updated on server side.
 Am I right here, do you see additional problems?

 Just for interest:

 - Could you provide an example for using the abstraction layer SMWStore-
 are there documentations out there?

 - How do you currently detect semantic annotations and templates in the
 wiki-text (regex or so)?

 c u Stevie



 
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[SMW-devel] Add pagename parameter to #formlink

[Yury Katkov]

Hi everyone! I discover to my surprise that #formlink parser function
doesn't have 'pagename' parameter.
Such a parameter is needed for at least three use-cases:
1) using #formlink inside the template. The template can include a
code like that:
{{#formlink:pagename=blabla{{{1}}} }}

2) using Magic Words inside the #formlink. The example can be like the following
{{#formlink:pagename=Report about {{PAGENAME}} on {{CURRENTDAY}} }}

3) Create new extensions a bit easier. I have created an extension
'WikiVote Create Page' that allows to deal with MediaWiki redlinks and
non-existant pages. In this extensions the administrator can create a
page full of formlinks (so called Creation Dialog) and then redirect
every redlink to this page. I need to somehow pass the redlink name to
my Creation Dialog.

Now I'm using #forminput  with preloaded page name  instead of
#formlink. It looks pretty ugly: a dozen of forminputs with the same
text inside the input.

Yaron and other SF contributors what do you think about adding
'pagename' parameter to #formlink?
-
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Re: [SMW-devel] Add pagename parameter to #formlink

[Yury Katkov]

Thanks, that's cool!
-
Yury Katkov



On Thu, Jun 21, 2012 at 6:34 PM, Stephan Gambke s7ep...@gmail.com wrote:
 Hi Yuri,

 I have not looked at the code, but from what I see in the
 documentation the 'target' parameter is what you are looking for.
 See 
 http://www.mediawiki.org/wiki/Extension:Semantic_Forms/Linking_to_forms#Using_.23formlink

 Cheers,
 Stephan


 On 21 June 2012 16:18, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi everyone! I discover to my surprise that #formlink parser function
 doesn't have 'pagename' parameter.
 Such a parameter is needed for at least three use-cases:
 1) using #formlink inside the template. The template can include a
 code like that:
 {{#formlink:pagename=blabla{{{1}}} }}

 2) using Magic Words inside the #formlink. The example can be like the 
 following
 {{#formlink:pagename=Report about {{PAGENAME}} on {{CURRENTDAY}} }}

 3) Create new extensions a bit easier. I have created an extension
 'WikiVote Create Page' that allows to deal with MediaWiki redlinks and
 non-existant pages. In this extensions the administrator can create a
 page full of formlinks (so called Creation Dialog) and then redirect
 every redlink to this page. I need to somehow pass the redlink name to
 my Creation Dialog.

 Now I'm using #forminput  with preloaded page name  instead of
 #formlink. It looks pretty ugly: a dozen of forminputs with the same
 text inside the input.

 Yaron and other SF contributors what do you think about adding
 'pagename' parameter to #formlink?
 -
 Yury Katkov

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Re: [SMW-devel] Is it possible to have several {{{standard input|free text}}} fields on a form?

[Yury Katkov]

Sure you don't have to assign it to a semantic property but the text will
be wraped in a template which brings us to a problem. The problem is that
in this text not everything is allowed.
That brings me to the question I wrote earlier
http://www.mail-archive.com/semediawiki-devel@lists.sourceforge.net/msg03474.html
-
how can we better develop escaping. Multiple {{{free text}}}s is also an
alternative to escaping.
-
Yury Katkov




On Thu, Jun 14, 2012 at 1:32 PM, Stephan Gambke s7ep...@gmail.com wrote:

 Hi Kim,

 the problem is, that free text has no identification attached to it in
 the final page. There is no definite way for SF to figure out which
 piece of text goes where.
 What you can do instead is to define a normal text area input and then
 display this in the template however you want. You don't have to
 assign it to a semantic property.

 Cheers,
 Stephan


 On 14 June 2012 11:23, Kim Eik k...@heldig.org wrote:
  Today if you specify two or more {{{standard input|free text}}} a form
  page and you input value in them both. Only the last value will be
  displayed, and also duplicated over all instances of the {{{standard
  input|free text}}}.
 
  Why is this? Say if someone wanted to have a form in the middle of a
  page, and some free text above and below the form. How would one go
  about achieving this?
 
  Would it be possible to extend the {{{standard input|free text}}} with
  an extra parameter giving it a name, so that content would not be
  duplicated and you could indeed have several instances of this input?
 
  Cheers Kim


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[SMW-devel] [SF] Advice request: restricting wiki-markup in SF fields

[Yury Katkov]

Hi everyone!

In our wiki all of the things is entered by a forms. The content is
organized via categories and queries that make use of semantic
properties. It is therefore crucial that users shouldn't use some of
the wiki-markup inside the forms fields for example:

* two curly brackets will kill the template: }}
* the insertion of category will put the article in the place where we
don't want it to be
* the insertion of a semantic property will lead to a problems with queries

My question is: is it possible to restrict the usage of the
wiki-markup in semantic extensions? If not, what is in your opinion,
the best way to do it?
I came with several possibilities:
* create a separate extension hooked on the action of page change.
Seems too ad-hoc for me.
* create a tag inside of which the restricted markup will be ignored.
It's more like nowiki tag, only it's more precise. We can than use
this tag in semantic templates remaining SF untouched.
* add some features in the Semantic Forms. The escaping of curly
brackets seems to be useful thing, and we can also add an optional
parameter to a field declaration. In this parameter we will be able to
list of the kinds of markup we want to be rejected or escaped. Maybe
it could form a separate extension.

Sincerely yours,
Yury Katkov

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Re: [SMW-devel] Support default tag for minor changes watch standart inputs [patch attached]

[Yury Katkov]

Hi guys!

This feature sounds very reasonable for me and I'll gladly use this feature
in enterprise wikis. In these kinds of wikis the page typically has only
one or two authors and the number of pages is smaller than in public wikis.
So the intention to make users informed by default of all pages the have
contributed is very close to my heart:
1) frequent notifications about the activity on wikipages make users mare
involved in the content creation process
2) enable notifications by default is a good decision for the most
important pages because their changes should be as transparent as possible.


-
Yury Katkov




On Fri, Jun 1, 2012 at 5:26 PM, Yaron Koren ya...@wikiworks.com wrote:

 Hi Vladimir,

 I'm still not convinced - just because a page is important, doesn't mean
 that a person's *relationship* to it is important. For instance, the person
 could be editing the page just to fix a typo - it doesn't mean that they
 now want to monitor it.

 That's just my current opinion, and I'm open to counter-arguments, by you
 or others.

 -Yaron


 On Thu, May 31, 2012 at 10:44 PM, Vladimir Kostyukov 
 vladimir.kostu...@gmail.com wrote:

 Hi Yaron,

 Thanks for such a fast reply! Regarding pages watching.You are right
 about default MediaWiki settings, there is no property (variable) to make
 watch this page checkbox checked by default. That is why, I've decided to
 make this patch.

 Here is my case.

 There are several *very important* pages/forms in my wiki (actually kind
 of corporate system) and I had to make watch this page checkbox for these
 pages/forms checked by default. Again, it is because, these pages/forms are
 very important (like a killer feature of site, like a key entity). For
 example, I have a MediaWiki-based system with data about rock bands, than
 template Rock Band and form Form:Rock Band are *main entities* in my
 system. Other entities, such as Album, Song, Person, etc. Not such
 important for my goals. In this case, it'd be really useful to have a way
 make my mains entities checkbox checked by default. Its really important to
 users and to maintainers to watch this pages/forms.


 On Fri, Jun 1, 2012 at 3:17 AM, Yaron Koren ya...@wikiworks.com wrote:

 Hi Vladimir,

 Thanks for this patch. In theory, this sounds reasonable - and the code
 you created looks fine. My one concern is that, as far as I know, currently
 in MediaWiki the watch this page checkbox is never checked by default -
 except in special cases like that the user is creating a new page; and even
 for those cases, the user can decide not to have it checked by default, by
 changing their preferences. So I'm worried that this could break an
 expectation on the part of users that some page they decided to edit won't
 get added to their watchlist. Which is not a major concern, but it might be
 worth something.

 Could you explain why you want that checkbox checked on some forms?

 -Yaron


 On Thu, May 31, 2012 at 3:57 AM, Vladimir Kostyukov 
 vladimir.kostu...@gmail.com wrote:

 Hi Yaron, Stephan and everyone!

 I've just written simple patch, witch adds support of default tag for
 standard input checkboxes (minor changes, watch). You can found it 
 attached.

 Here is my motivation.

 In my project, where I use SMW/SF, I had to mark standard input watch
 checkbox as checked by default for several forms (*not for all forms*).
 I've decided to write something like that (regarding standard checkbox
 usage):

 {{{standard input|watch|default=yes}}}

 But, It didn't work for me! I looked into sources, and figured out,
 that default tag is ignored. Than I've decided to implement this feature.
 I think its very useful, to have a way set watch or minor edit default
 value for *separated form*.

 What do you thing about this feature?

 --
 Thanks,
 Vladimir Kostyukov




 --
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 --
 Thanks,
 Vladimir Kostyukov




 --
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Re: [SMW-devel] New SMW result format released - Filtered

[Yury Katkov]

Hi Neill!

Impressive! This is so great job, thanks for your effort!
For our project we are likely to be in need of something similar. For
example filtered Semantic Maps, where we have filters/facets that filters
the map output. Can I do that now with this extension?
Cheers,
Yury
-
Yury Katkov




On Tue, May 15, 2012 at 1:38 PM, Neill Mitchell ne...@nlkmitchell.comwrote:

 Hi all,

 I am proud to announce the immediate release of the result format
 filtered, part of the Semantic Result Formats extension.

 This is a result printer that displays results with switchable views
 support and offers client-side (JavaScript based) filtering.
 AND/OR selections are possible and the filter value boxes are collapsible.

 This result printer is ultimately planned to replace the now defunct
 exhibit format.

 One really cool feature is the distance query, which provides a distance
 slider that allows you to instantly filter the results based on the
 distance from a base geographic point.

 Further details at:
 http://semantic-mediawiki.org/wiki/Help:Filtered_format

 Example usage can be seen at:
 http://www.aroundisleofwight.info/en/Days_Out

 == Download ==

 SVN repository:

 http://svn.wikimedia.org/svnroot/mediawiki/trunk/extensions/SemanticResultFormats/


 == Requirements ==

 * SMW 1.7 and later.
 * MediaWiki 1.17.2 or later
 * A javascript capable browser.

 Many thanks to Stephan Gambke for coding this. As always, he has done an
 absolutely fantastic job.
 The project was sponsored by Prescient Software
 http://www.prescientsoftware.co.uk

 Cheers
 Neill.


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Re: [SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Hi Yaron!
I found the answer to my question about the square brackets in form input's
name. It's done for PHP to know that all the values of the same name must
be collected in an array.

Here is it : http://docs.php.net/manual/en/faq.html.php#faq.html.arrays
-
Yury Katkov




On Thu, May 10, 2012 at 5:27 PM, Yaron Koren ya...@wikiworks.com wrote:

 Hi Yury,

 My answers are below.

 On Thu, May 10, 2012 at 6:26 AM, Yury Katkov katkov.ju...@gmail.comwrote:

 Hi everyone and especially SF/SFI developers!

 I've just finished the pre-alpha version of the new Semantic Form Input
 for selecting multiple items in a comfortable way.
 You can see the demo here:

 http://test12.wikivote.ru/index.php?title=Daction=formedit


 Nice. Does this input type use an existing JS library, and if so, which
 one? Or did you create the Javascript for it yourself?

 Tied in with that, the name you chose for this input type, multiselect,
 is actually one I was thinking of using for this other input type I wanted
 to add to SFI  - see the Multiple Select section:

 http://harvesthq.github.com/chosen/

 What about calling your input type two listboxes or something like that?
 That seems to be at least one standard term for this kind of interface. I
 don't know if there's a more official one.



 I want to write a piece of technical documentation for myself and for
 future generations of SFInput writers but I don't yet understand several
 imporant things about Form Inputs. I'd be very glad if Semantic Forms
 developers clarified something for me.

 == Question 1. History and future plans ==
 As far as I can tell from the code there are three generations of
 FormInputs exist now, am I right?

 1) in the past input developer had to override getHTML() function. It's
 done in most Semantic Forms's formsinput but it's not a good way anymore.
 We also have used
 2) now it's the era of the Resource Loader and to create my input I have
 to override getHtmlText, getResourceModuleNames and getJsInitFunctionData
 functions. For figuring out what kind of data can be handled by the input
 we now use getHandledPropertyTypes function instead
 of getDefaultPropTypes, getDefaultPropTypeLists
 and getOtherPropTypesHandled.
 3) In the future addJsInitFunctionData, addJsValidationFunctionData will
 be used by the internals of the Semantic Forms and all deprecated methods
 will be removed.


 That sounds right... Stephan Gambke might know more about this than I do.
 I believe the framework for the third of those is not done yet.



 == Question 2. Naming ==
 Is it correct that I have to name my inputs like that: input_ .
 $this-mInputNumber


 The input name is already passed in by SF, no? At the most, you might just
 have to add in a [...], depending on how the HTML is structured, because
 your input holds multiple values This ties in to your 4th question.



 == Question 3 Naming again ==
 What the 'name' attribute is used for? The rule of the thumb is of course
 that you always make it like that:  $this-mInputName


 It's used when the form is submitted, to get the value of the input.



 == Question 4. Handling lists ==
 I'm not sure that I understand about handling lists issues in Form
 Inputs.

 1) The Name attribute of the form input sometimes have brackets like in
 it like this: input3[].
 2) On the other hand sometimes we add an additional hidden element like
 Html::hidden($name . '[is_list]', 1)
 3) And thirdly we have the method canHandleLists() to override.

 It seems that all three thing are indicating that the form input can
 handle lists, but it's pretty weird to see three different pieces of code
 trying to say the same thing. What's happening


 The second one is done for certain input types, so that when the form is
 submitted, the code will know to check for multiple values. It's a symptom
 of the way arrays of values are handled in HTML forms, but beyond that I
 don't remember. :) If you don't need it, then you shouldn't use it. I think
 that's true for the first one as well.



 == Question 5. Don't draw my input without proper CSS! ==
 When the form is loaded there's a period of time when the user can my
 element undressed. Namely the user can see he input without any CSS applied
 to it. How can I avoid such an effect?


 That's a symptom of the use of ResourceLoader, since by default it puts
 CSS and Javascript at the bottom of the page. It leads to faster leading
 times, but some people don't like it because things show up undressed.
 (The ResourceLoader people apparently refer to this as a FOUC, or flash
 of unstyled content.) Personally, I don't mind it. But here are
 instructions on how to avoid it for your module:


 http://www.mediawiki.org/wiki/ResourceLoader/Migration_guide_for_extension_developers#Adding_a_module_to_the_page



 == Question 6. Be part of something bigger ==
 Is it possible that my code will be part of Semantic Forms Inputs or
 Semantic Forms? If so, what versions of SMW, SF, SFI should I use

Re: [SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Hi Sal!

It's really a major bug - I'll try to fix that now.
-
Yury Katkov




On Thu, May 10, 2012 at 10:27 PM, trueskew trues...@gmail.com wrote:

 Hi Yury,

 ** **

 I just tried your test link in Firefox under Windows 7 and I see different
 behavior than I saw under IE 9.0.  Now I understand the confusion I gave
 you.

 ** **

 Under IE 9.0, this is what I see before it shows your form as a multi-list
 box with no boxes on the right:

 ** **

 

 ** **

 Have you seen it working as expected with IE?

 ** **

 Sal

 ** **

 *From:* Yury Katkov [mailto:katkov.ju...@gmail.com]
 *Sent:* Thursday, May 10, 2012 11:18 AM
 *To:* salqu...@gmail.com
 *Cc:* SMW developer list
 *Subject:* Re: [SMW-devel] [SF] Programming Form Input

 ** **

 Hi Sal! 

 ** **

 As far as I can tell the first problem that was related to the Ctrl key
 has been solved in my input, hasn't it? The selected elements move from the
 left box to the right box and remains in a right box till the end of
 eternity. 

 ** **

   The other problem when you have a large list that doesn’t practically
 fit on the screen is verifying that a user wanted to select was selected.
 A read-only box on the side that shows what has been selected would be a
 great way to let users track their work. 

 ** **

 Could you illustrate this situation (probably with a picture)? I'm not
 sure that I understood the problem and your proposed solution. 

 As of now I plan to add search support to my input. In fact it's already
 done in the library I use so it's probably won't be difficult. Searching
 can help address the problem with many items in a list.
 -
 Yury Katkov



 

 On Thu, May 10, 2012 at 10:09 PM, Sal Quintanilla salqu...@gmail.com
 wrote:

 Great job Yury, multi-select list boxes are a good addition.

  

 And to prove you’ve created a viable option, I’m going to give you some
 improvement suggestions…

  

 What you have works like a traditional multi-select box.  But the classic
 problem with that is an accidental click inside the box, or a click where
 you didn’t quite hold the ctrl key well enough, causes the user to lose his
 selections.  It would be great see an implementation that used a toggle
 click… that is, click to select a name, and it stays selected until the
 user clicks to unselect it.

  

 The other problem when you have a large list that doesn’t practically fit
 on the screen is verifying that a user wanted to select was selected.  A
 read-only box on the side that shows what has been selected would be a
 great way to let users track their work.

  

 Take care.

 Sal

  

 *From:* Yury Katkov [mailto:katkov.ju...@gmail.com]
 *Sent:* Thursday, May 10, 2012 3:27 AM
 *To:* SMW developer list
 *Subject:* [SMW-devel] [SF] Programming Form Input

  

 Hi everyone and especially SF/SFI developers!

 I've just finished the pre-alpha version of the new Semantic Form Input
 for selecting multiple items in a comfortable way.
 You can see the demo here: 

  

 http://test12.wikivote.ru/index.php?title=Daction=formedit 

  

 I want to write a piece of technical documentation for myself and for
 future generations of SFInput writers but I don't yet understand several
 imporant things about Form Inputs. I'd be very glad if Semantic Forms
 developers clarified something for me. 


 == Question 1. History and future plans ==
 As far as I can tell from the code there are three generations of
 FormInputs exist now, am I right?

 1) in the past input developer had to override getHTML() function. It's
 done in most Semantic Forms's formsinput but it's not a good way anymore.
 We also have used
 2) now it's the era of the Resource Loader and to create my input I have
 to override getHtmlText, getResourceModuleNames and getJsInitFunctionData
 functions. For figuring out what kind of data can be handled by the input
 we now use getHandledPropertyTypes function instead
 of getDefaultPropTypes, getDefaultPropTypeLists
 and getOtherPropTypesHandled.
 3) In the future addJsInitFunctionData, addJsValidationFunctionData will
 be used by the internals of the Semantic Forms and all deprecated methods
 will be removed.

 == Question 2. Naming ==
 Is it correct that I have to name my inputs like that: input_ .
 $this-mInputNumber

 == Question 3 Naming again ==
 What the 'name' attribute is used for? The rule of the thumb is of course
 that you always make it like that:  $this-mInputName

 == Question 4. Handling lists ==
 I'm not sure that I understand about handling lists issues in Form Inputs.

 1) The Name attribute of the form input sometimes have brackets like in it
 like this: input3[].
 2) On the other hand sometimes we add an additional hidden element like
 Html::hidden($name . '[is_list]', 1)
 3) And thirdly we have the method canHandleLists() to override.

 It seems that all three thing are indicating that the form input

[SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Hi everyone and especially SF/SFI developers!

I've just finished the pre-alpha version of the new Semantic Form Input for
selecting multiple items in a comfortable way.
You can see the demo here:

http://test12.wikivote.ru/index.php?title=Daction=formedit

I want to write a piece of technical documentation for myself and for
future generations of SFInput writers but I don't yet understand several
imporant things about Form Inputs. I'd be very glad if Semantic Forms
developers clarified something for me.

== Question 1. History and future plans ==
As far as I can tell from the code there are three generations of
FormInputs exist now, am I right?

1) in the past input developer had to override getHTML() function. It's
done in most Semantic Forms's formsinput but it's not a good way anymore.
We also have used
2) now it's the era of the Resource Loader and to create my input I have to
override getHtmlText, getResourceModuleNames and getJsInitFunctionData
functions. For figuring out what kind of data can be handled by the input
we now use getHandledPropertyTypes function instead
of getDefaultPropTypes, getDefaultPropTypeLists
and getOtherPropTypesHandled.
3) In the future addJsInitFunctionData, addJsValidationFunctionData will be
used by the internals of the Semantic Forms and all deprecated methods will
be removed.

== Question 2. Naming ==
Is it correct that I have to name my inputs like that: input_ .
$this-mInputNumber

== Question 3 Naming again ==
What the 'name' attribute is used for? The rule of the thumb is of course
that you always make it like that:  $this-mInputName

== Question 4. Handling lists ==
I'm not sure that I understand about handling lists issues in Form Inputs.

1) The Name attribute of the form input sometimes have brackets like in it
like this: input3[].
2) On the other hand sometimes we add an additional hidden element like
Html::hidden($name . '[is_list]', 1)
3) And thirdly we have the method canHandleLists() to override.

It seems that all three thing are indicating that the form input can handle
lists, but it's pretty weird to see three different pieces of code trying
to say the same thing. What's happening

== Question 5. Don't draw my input without proper CSS! ==
When the form is loaded there's a period of time when the user can my
element undressed. Namely the user can see he input without any CSS applied
to it. How can I avoid such an effect?

== Question 6. Be part of something bigger ==
Is it possible that my code will be part of Semantic Forms Inputs or
Semantic Forms? If so, what versions of SMW, SF, SFI should I use for
testing? What versions I have to be compatible with?

Cheers!
-
Yury Katkov,
WikiVote! company.
E-government and law crowdsouring
http://wikivote.ru
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Re: [SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Thanks Yaron for your quick answer and for the explanation!
I use jquery library multi-select it's available here:  http://loudev.com/
I have tested it on mw1.19 jquery and it seem that it works pretty well.

 Tied in with that, the name you chose for this input type, multiselect,
is actually one I was thinking of using for this other input type I wanted
to add to SFI  - see the Multiple Select section:
 http://harvesthq.github.com/chosen/

This input looks very cool! When do you plan to add it to SFI? I'm very
interested in such things, I'll surely use it in my SMW projects!

 Sometimes it's a gray area, although this input clearly (to me) looks
like it should go in SFI.
Cool! It now supports only input pre-set values ( like
{{{input|values=one,two,three}}} ). I'll try to extend Enum or List input
and support their options and will send you a code.

Sincerely yours,
-
Yury Katkov




On Thu, May 10, 2012 at 5:27 PM, Yaron Koren ya...@wikiworks.com wrote:

 Hi Yury,

 My answers are below.

 On Thu, May 10, 2012 at 6:26 AM, Yury Katkov katkov.ju...@gmail.comwrote:

 Hi everyone and especially SF/SFI developers!

 I've just finished the pre-alpha version of the new Semantic Form Input
 for selecting multiple items in a comfortable way.
 You can see the demo here:

 http://test12.wikivote.ru/index.php?title=Daction=formedit


 Nice. Does this input type use an existing JS library, and if so, which
 one? Or did you create the Javascript for it yourself?

 Tied in with that, the name you chose for this input type, multiselect,
 is actually one I was thinking of using for this other input type I wanted
 to add to SFI  - see the Multiple Select section:

 http://harvesthq.github.com/chosen/

 What about calling your input type two listboxes or something like that?
 That seems to be at least one standard term for this kind of interface. I
 don't know if there's a more official one.



 I want to write a piece of technical documentation for myself and for
 future generations of SFInput writers but I don't yet understand several
 imporant things about Form Inputs. I'd be very glad if Semantic Forms
 developers clarified something for me.

 == Question 1. History and future plans ==
 As far as I can tell from the code there are three generations of
 FormInputs exist now, am I right?

 1) in the past input developer had to override getHTML() function. It's
 done in most Semantic Forms's formsinput but it's not a good way anymore.
 We also have used
 2) now it's the era of the Resource Loader and to create my input I have
 to override getHtmlText, getResourceModuleNames and getJsInitFunctionData
 functions. For figuring out what kind of data can be handled by the input
 we now use getHandledPropertyTypes function instead
 of getDefaultPropTypes, getDefaultPropTypeLists
 and getOtherPropTypesHandled.
 3) In the future addJsInitFunctionData, addJsValidationFunctionData will
 be used by the internals of the Semantic Forms and all deprecated methods
 will be removed.


 That sounds right... Stephan Gambke might know more about this than I do.
 I believe the framework for the third of those is not done yet.



 == Question 2. Naming ==
 Is it correct that I have to name my inputs like that: input_ .
 $this-mInputNumber


 The input name is already passed in by SF, no? At the most, you might just
 have to add in a [...], depending on how the HTML is structured, because
 your input holds multiple values This ties in to your 4th question.



 == Question 3 Naming again ==
 What the 'name' attribute is used for? The rule of the thumb is of course
 that you always make it like that:  $this-mInputName


 It's used when the form is submitted, to get the value of the input.



 == Question 4. Handling lists ==
 I'm not sure that I understand about handling lists issues in Form
 Inputs.

 1) The Name attribute of the form input sometimes have brackets like in
 it like this: input3[].
 2) On the other hand sometimes we add an additional hidden element like
 Html::hidden($name . '[is_list]', 1)
 3) And thirdly we have the method canHandleLists() to override.

 It seems that all three thing are indicating that the form input can
 handle lists, but it's pretty weird to see three different pieces of code
 trying to say the same thing. What's happening


 The second one is done for certain input types, so that when the form is
 submitted, the code will know to check for multiple values. It's a symptom
 of the way arrays of values are handled in HTML forms, but beyond that I
 don't remember. :) If you don't need it, then you shouldn't use it. I think
 that's true for the first one as well.



 == Question 5. Don't draw my input without proper CSS! ==
 When the form is loaded there's a period of time when the user can my
 element undressed. Namely the user can see he input without any CSS applied
 to it. How can I avoid such an effect?


 That's a symptom of the use of ResourceLoader, since by default it puts
 CSS and Javascript

Re: [SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Thanks Stephan, now I understand about the methods in SFInput!
-
Yury Katkov




On Thu, May 10, 2012 at 6:20 PM, Stephan Gambke s7ep...@gmail.com wrote:

 Hi Yury,

 very nice input, I love it.

 On 10 May 2012 12:26, Yury Katkov katkov.ju...@gmail.com wrote:
  == Question 1. History and future plans ==
  As far as I can tell from the code there are three generations of
 FormInputs
  exist now, am I right?
 
  1) in the past input developer had to override getHTML() function. It's
 done
  in most Semantic Forms's formsinput but it's not a good way anymore. We
 also
  have used
  2) now it's the era of the Resource Loader and to create my input I have
 to
  override getHtmlText, getResourceModuleNames and getJsInitFunctionData
  functions. For figuring out what kind of data can be handled by the
 input we
  now use getHandledPropertyTypes function instead
  of getDefaultPropTypes, getDefaultPropTypeLists
  and getOtherPropTypesHandled.
  3) In the future addJsInitFunctionData, addJsValidationFunctionData will
 be
  used by the internals of the Semantic Forms and all deprecated methods
 will
  be removed.

 You are right, 1) should not be used anymore.
 2) and 3) are actually both part of the new mechanism. The comment
 about methods not being used yet are actually wrong, I really should
 remove them. Generally you should not overwrite the get-methods.
 Instead, to register resource loader modules and JS functions you just
 use the add methods. The idea behind providing these add-methods is to
 make it easier to build up the required datastructure so you do not
 have to care about it. Long story short: Leave the getters alone, call
 the adders.


  == Question 2. Naming ==
  Is it correct that I have to name my inputs like that: input_ .
  $this-mInputNumber

  == Question 3 Naming again ==
  What the 'name' attribute is used for? The rule of the thumb is of course
  that you always make it like that:  $this-mInputName

 We have to carefully distinguish between input id and input name here.

 When the constructor of SFFormInput is called, you get as parameters
 an input number and an input name.
 For a simple HTML input element the number of the input should end up
 in the 'id' attribute in the format 'input_number'.
 The name of the input should end up in the 'name' attribute of your
 HTML input element. This name is also what is sent back to the server
 and finally used by SF to build the page text.


  == Question 5. Don't draw my input without proper CSS! ==
  When the form is loaded there's a period of time when the user can my
  element undressed. Namely the user can see he input without any CSS
 applied
  to it. How can I avoid such an effect?

 Maybe in addition to what Yaron said: If you are really intent to hide
 the input until it looks nice you could try the approach from
 HeaderTabs:

 $parser-getOutput()-addHeadItem( HTML::inlineScript(

 'document.styleSheets[0].insertRule?document.styleSheets[0].insertRule(.unselected
 {display:none;}, 0):document.styleSheets[0].addRule(.unselected,
 display:none);' ), true );

 This is approaching blunt force, though, so you should think carefully
 if you really want to do that.


  == Question 6. Be part of something bigger ==
  Is it possible that my code will be part of Semantic Forms Inputs or
  Semantic Forms? If so, what versions of SMW, SF, SFI should I use for
  testing? What versions I have to be compatible with?

 I would love to have this input in SFI!
 Generally I try for compatibility with MW 1.17 and SMW 1.5.6, maybe,
 although having not much contact with SMW from inputs I usually do not
 test excessively against that requirement. As for SF, I try to keep
 SFI in sync with the current version.

 Cheers,
 Stephan

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Re: [SMW-devel] [SF] Programming Form Input

[Yury Katkov]

Hi Sal!

As far as I can tell the first problem that was related to the Ctrl key has
been solved in my input, hasn't it? The selected elements move from the
left box to the right box and remains in a right box till the end of
eternity.

  The other problem when you have a large list that doesn’t practically
fit on the screen is verifying that a user wanted to select was selected.
A read-only box on the side that shows what has been selected would be a
great way to let users track their work.

Could you illustrate this situation (probably with a picture)? I'm not sure
that I understood the problem and your proposed solution.
As of now I plan to add search support to my input. In fact it's already
done in the library I use so it's probably won't be difficult. Searching
can help address the problem with many items in a list.
-
Yury Katkov




On Thu, May 10, 2012 at 10:09 PM, Sal Quintanilla salqu...@gmail.comwrote:

 Great job Yury, multi-select list boxes are a good addition.

 ** **

 And to prove you’ve created a viable option, I’m going to give you some
 improvement suggestions…

 ** **

 What you have works like a traditional multi-select box.  But the classic
 problem with that is an accidental click inside the box, or a click where
 you didn’t quite hold the ctrl key well enough, causes the user to lose his
 selections.  It would be great see an implementation that used a toggle
 click… that is, click to select a name, and it stays selected until the
 user clicks to unselect it.

 ** **

 The other problem when you have a large list that doesn’t practically fit
 on the screen is verifying that a user wanted to select was selected.  A
 read-only box on the side that shows what has been selected would be a
 great way to let users track their work.

 ** **

 Take care.

 Sal

 ** **

 *From:* Yury Katkov [mailto:katkov.ju...@gmail.com]
 *Sent:* Thursday, May 10, 2012 3:27 AM
 *To:* SMW developer list
 *Subject:* [SMW-devel] [SF] Programming Form Input

 ** **

 Hi everyone and especially SF/SFI developers!

 I've just finished the pre-alpha version of the new Semantic Form Input
 for selecting multiple items in a comfortable way.
 You can see the demo here: 

 ** **

 http://test12.wikivote.ru/index.php?title=Daction=formedit 

 ** **

 I want to write a piece of technical documentation for myself and for
 future generations of SFInput writers but I don't yet understand several
 imporant things about Form Inputs. I'd be very glad if Semantic Forms
 developers clarified something for me. 


 == Question 1. History and future plans ==
 As far as I can tell from the code there are three generations of
 FormInputs exist now, am I right?

 1) in the past input developer had to override getHTML() function. It's
 done in most Semantic Forms's formsinput but it's not a good way anymore.
 We also have used
 2) now it's the era of the Resource Loader and to create my input I have
 to override getHtmlText, getResourceModuleNames and getJsInitFunctionData
 functions. For figuring out what kind of data can be handled by the input
 we now use getHandledPropertyTypes function instead
 of getDefaultPropTypes, getDefaultPropTypeLists
 and getOtherPropTypesHandled.
 3) In the future addJsInitFunctionData, addJsValidationFunctionData will
 be used by the internals of the Semantic Forms and all deprecated methods
 will be removed.

 == Question 2. Naming ==
 Is it correct that I have to name my inputs like that: input_ .
 $this-mInputNumber

 == Question 3 Naming again ==
 What the 'name' attribute is used for? The rule of the thumb is of course
 that you always make it like that:  $this-mInputName

 == Question 4. Handling lists ==
 I'm not sure that I understand about handling lists issues in Form Inputs.

 1) The Name attribute of the form input sometimes have brackets like in it
 like this: input3[].
 2) On the other hand sometimes we add an additional hidden element like
 Html::hidden($name . '[is_list]', 1)
 3) And thirdly we have the method canHandleLists() to override.

 It seems that all three thing are indicating that the form input can
 handle lists, but it's pretty weird to see three different pieces of code
 trying to say the same thing. What's happening 

 ** **

 == Question 5. Don't draw my input without proper CSS! ==

 When the form is loaded there's a period of time when the user can my
 element undressed. Namely the user can see he input without any CSS applied
 to it. How can I avoid such an effect? 


 == Question 6. Be part of something bigger ==

 Is it possible that my code will be part of Semantic Forms Inputs or
 Semantic Forms? If so, what versions of SMW, SF, SFI should I use for
 testing? What versions I have to be compatible with? 

 ** **

 Cheers!

 -
 Yury Katkov, 

 WikiVote! company. 

 E-government and law crowdsouring

 http://wikivote.ru

Re: [SMW-devel] silent adding of the semantic properties

[Yury Katkov]

Hi Markus! This really works every time data is refreshed! Pretty
cool, but now I have to patch SMW core to make ArticleFeedback
semantization possible. Is it possible to add a hooks before and after
storing semantic data ( smwfGetStore()-updateData( $semdata ); )  ?

I personally need only $semdata object but I don't know what other
developers may need.
-
Yury Katkov




On Wed, Feb 22, 2012 at 9:43 PM, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi Markus!
 This is really the case when change of the page is not acceptable:
 first of all the appearance of {{#set}} can be confusing for users.
 Strictly speaking every time when the page updates I will also need to
 check where my property value come from (or deny using certain
 properties in text): if user will place the property [[vote::5]] in
 the page text I will be in trouble.

 Thanks for this advice!
 -
 Yury Katkov




 On Wed, Feb 22, 2012 at 9:18 PM, Markus Krötzsch
 mar...@semantic-mediawiki.org wrote:
 On 22/02/12 16:31, Yury Katkov wrote:

 Hi everyone!

 I want to semantize ArticleFeedback votes so that they will be
 accessible via SMW queries. What is the best way to silently add
 semantic properties to the wiki page? Is it ok to add them
 programmaticaly using SMWPropertyValue and do not change the text of
 the page?


 When changing the wiki page is acceptable, the function #set can be used to
 do it silently. When a programmatic solution is needed, care must be taken
 to do it in a place that will write the property in all cases when data is
 refreshed (page edits *and* update jobs). The place where this is best done
 is the hook storeData() in includes/SMW_ParseData.php. SMW does not
 currently offer a hook to extend this -- maybe we should.

 Regards

 Markus


 Sincerely yours,
 -
 Yury Katkov


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[SMW-devel] silent adding of the semantic properties

[Yury Katkov]

Hi everyone!

I want to semantize ArticleFeedback votes so that they will be
accessible via SMW queries. What is the best way to silently add
semantic properties to the wiki page? Is it ok to add them
programmaticaly using SMWPropertyValue and do not change the text of
the page?

Sincerely yours,
-
Yury Katkov

--
Virtualization  Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing 
also focuses on allowing computing to be delivered as a service.
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Re: [SMW-devel] Fwd: [pmwx-forum] Purple MediaWiki (PMWX) Extension Release 1.6

[Yury Katkov]

I tried it with MW 1.17 and MW 1.18 and latest SMWs and all worked
perfectly fine. However I haven't used any of the semantic features of
PSWM, just installed it for adding URLs to paragraphs.
-
Yury Katkov




On Wed, Feb 15, 2012 at 6:12 PM, Jeroen De Dauw jeroended...@gmail.comwrote:

 Hey Peter,

 I noticed that the wiki you linked to is still running SMW 1.4.x, which is
 over 2 years old. This made me wonder: what are the requirements (inc
 compatibility) for PSMW?

 Cheers

 --
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Re: [SMW-devel] replace text from a table

[Yury Katkov]

Hi!
If you user SemanticSignUp or SemanticSocialProfile and/or all users
in a wiki are represented by their pages with SMW-properties than
making such a list is an easy task that can be solved by the query
like this:

{{#ask:[[Category:User]]
|?Username
|?UserId
format=broadtable
}}

Sincrely yours,

-
Yury Katkov




On Sat, Feb 4, 2012 at 7:04 PM, Jude Jonassaint jcjonassa...@gmail.com wrote:
 In a SMW where people are identified by name we would like to replace
 the names with an identifier (could be a number or a string).
 Is there a way to take a list (spreadsheet) of the names and
 associated new identifiers to globally replace the names in the wiki
 with the corresponding identifiers in the wiki?

 We would hate to do this one name at a time because that would be
 really time consuming.

 Jude

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Re: [SMW-devel] Equivalent URI

[Yury Katkov]

Hi Benedikt!

I think it should be considered as owl:sameAs and that's all according to
documentation. If you want foaf:knows property to be inferred - you need an
inference engine or just use Import vocabulary feature.

However when I tried to make equivalent property at Referata I found that
there is no owl:sameAs, but owl:equivalentProperty. That's weird, is that a
mistake in a documentation?

Sincerely yours,

Yury V. Katkov
WikiVote! llc


On Mon, Nov 28, 2011 at 2:15 AM, Benedikt Kämpgen benedikt.kaemp...@kit.edu
 wrote:

 Hello,

 I was wondering, if I declare a property page Property:Knows in SMW
 [[equivalent URI:: http://xmlns.com/foaf/0.1/knows]], why is this not
 considered in the RDF export? An equivalent relationship between both would
 be nice. A direct usage of foaf:knows in the export would even be better.

 Regards,

 Benedikt

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Re: [SMW-devel] Equivalent URI

[Yury Katkov]

Oh, I forgot to add a link to my experiment:
http://scratchpad.referata.com/wiki/Special:ExportRDF/Property:Myproperty

Sincerely yours,

Yury V. Katkov
WikiVote! llc


On Mon, Nov 28, 2011 at 12:16 PM, Yury Katkov katkov.ju...@gmail.comwrote:

 Hi Benedikt!

 I think it should be considered as owl:sameAs and that's all according to
 documentation. If you want foaf:knows property to be inferred - you need an
 inference engine or just use Import vocabulary feature.

 However when I tried to make equivalent property at Referata I found that
 there is no owl:sameAs, but owl:equivalentProperty. That's weird, is that a
 mistake in a documentation?

 Sincerely yours,

 Yury V. Katkov
 WikiVote! llc


 On Mon, Nov 28, 2011 at 2:15 AM, Benedikt Kämpgen 
 benedikt.kaemp...@kit.edu wrote:

 Hello,

 I was wondering, if I declare a property page Property:Knows in SMW
 [[equivalent URI:: http://xmlns.com/foaf/0.1/knows]], why is this not
 considered in the RDF export? An equivalent relationship between both
 would
 be nice. A direct usage of foaf:knows in the export would even be better.

 Regards,

 Benedikt

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 Phone: +49 721 608-47946
 Email: benedikt.kaemp...@kit.edu
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Re: [SMW-devel] RFC Subobjects (aka internal objects) in SMW

[Yury Katkov]

Hi!

Are you sure about the syntax here? Those {{{Parameters}}} surrounded by
will conflict with template parameters, won't they?
Yury

On Mon, Oct 24, 2011 at 3:48 AM, Jon Lang datawea...@gmail.com wrote:

 Sorry for the late response.

 Would it be reasonable to have the syntax be something like:

 {{#subobject:name
 | given=Jonathan
 | family=Lang
 | middle=LeRoy
 | surname=Mr.
 | {{{given}}} {{{middle}}} {{{family}}}
 }}

 {{#subobject:name
 | given=Ranma
 | family=Saotome
 | {{{family}}} {{{given}}}
 }}

 This way, the subobject's formatting could be determined on a case-by-case
 basis, and in a manner that people are used to (i.e., value on the left;
 display on the right).  In effect, the unnamed entry is assumed to contain
 an inline template for display purposes.  This saves you the trouble of
 writing a new template every time you want to format a subobject
 differently.

 If no inline template is given, there should be a default inline template
 on the property page; possibly use the property page itself *as* the
 default template, and rely on the usual tricks used by template pages to
 define text that should only be available when viewing the property page and
 text that should only be available when making use of it as a template.

 BTW: subobject is technically accurate, but needlessly long.  I'd
 recommend going with object instead.  Granted, this is a nitpick; but
 there you are.

 --
 Jonathan Dataweaver Lang




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Re: [SMW-devel] RFC Subobjects (aka internal objects) in SMW

[Yury Katkov]

surrounded by curly brackets of course :)

On Mon, Oct 24, 2011 at 12:13 PM, Yury Katkov katkov.ju...@gmail.comwrote:

 Hi!

 Are you sure about the syntax here? Those {{{Parameters}}} surrounded by
 will conflict with template parameters, won't they?
 Yury


 On Mon, Oct 24, 2011 at 3:48 AM, Jon Lang datawea...@gmail.com wrote:

 Sorry for the late response.

 Would it be reasonable to have the syntax be something like:

 {{#subobject:name
 | given=Jonathan
 | family=Lang
 | middle=LeRoy
 | surname=Mr.
 | {{{given}}} {{{middle}}} {{{family}}}
 }}

 {{#subobject:name
 | given=Ranma
 | family=Saotome
 | {{{family}}} {{{given}}}
 }}

 This way, the subobject's formatting could be determined on a case-by-case
 basis, and in a manner that people are used to (i.e., value on the left;
 display on the right).  In effect, the unnamed entry is assumed to contain
 an inline template for display purposes.  This saves you the trouble of
 writing a new template every time you want to format a subobject
 differently.

 If no inline template is given, there should be a default inline template
 on the property page; possibly use the property page itself *as* the
 default template, and rely on the usual tricks used by template pages to
 define text that should only be available when viewing the property page and
 text that should only be available when making use of it as a template.

 BTW: subobject is technically accurate, but needlessly long.  I'd
 recommend going with object instead.  Granted, this is a nitpick; but
 there you are.

 --
 Jonathan Dataweaver Lang




 --
 Yury V. Katkov
 WikiVote! llc




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Re: [SMW-devel] RFC Subobjects (aka internal objects) in SMW

[Yury Katkov]

Was I talkling gibberish or was the RDF export question too hard? :)

On Thu, Oct 13, 2011 at 2:47 AM, Yury Katkov katkov.ju...@gmail.com wrote:

 Hello Markus,
 First of all, your alternative proposal looks much better than the
 original one because of more flexibility. And praise you for the great
 solution of optional naming - I hope it will be possible to implement
 it!

 What about RDF export and Import vocabulary features? I have really
 two questions concerning both those features:

 == RDFExport+RDF store question==

  As far I as I can see subobjects should be turned to the blank nodes,
 shouldn't they?

 == Import vocabulary question ==

 Is it possible to map the subobject to RDF  class? That can be
 extremely useful even in simple vocabularies like FOAF.
 Here is an example: we have the wiki-page of Yury who has an online
 account in two social networks: Facebook and Vkontakte.

 ===Example===
 It's pretty easy to describe this fact with subobjects:
 # PAGE STARTS#
 Yury has [[has account::{{#subobject:
   service=http://facebook.com
   accountname=ganqqwerty}}
 |facebook account]],
[[has account:: {{#subobject:
service=vkontakte.ru
 accountname=katkov}}
 |Vkontakte.ru account]]
 #PAGE ENDS#
 ===RDF Export===
 If I map has account to foaf:account, map service to uring rdf export
 we will get the following (simplified)
 :Yury_id_in_wiki foaf:account
  :Yury_id_in_wiki#tmpnum1 .
 :Yury_id_in_wiki#tmpnum1  foaf:accountServiceHomepage http://facebook.com
 
 :Yury_id_in_wiki#tmpnum1 foaf:accountNameganqqwerty
 === Problem ===
 The problem is that the property foaf:account has range
 foaf:OnlineAccount. Our RDF export now is a little bit incomplete.

 ===Proposal===

 Make it possible to assign some kind of type to the subobject and map
 those types to RDFS or OWL classes. I honestly don't know how this can
 be done - probably with the special attribute type or category.

 The typing can be needed now only in case of RDF export. If I have a
 wiki with thousands of subobjects it would always be nice to see what
 kind of subobjects are there.


 Anyway the subobject feature will help me to tie together a bundle of
 properties in Semantic Social Profile, for example Name of the country
 of living, Name of the city of living, Street, house number as well as
 Geographic coordinates of the place where the user lives.

 Sorry if was late fo the discussion,
 Yury

 On Mon, Oct 3, 2011 at 1:02 PM, Markus Krötzsch
 mar...@semantic-mediawiki.org wrote:
 
  Following up the discussions we had at SMWCon in Berlin, we have now
  implemented a new feature for internal objects in SMW. This email
  explains this feature and starts the discussion on some open questions
  for it to become stable.
 
 
  == Goal ==
 
  Allow SMW annotations to refer to objects that have their own
  property-value pairs just like wiki pages, but that do not actually have
  an article in the wiki. This can be used to group property-value pairs
  given on one page without requiring new auxiliary pages to be created.
  It also integrates the main functionality of the Semantic Internal
  Objects (SIO) extension into SMW.
 
 
  == Feature Overview: Current Prototype Implementation ==
 
  SMW now has a new subobject feature. For example, you can use the
  parserfunction #subobject on some page Example page as follows:
 
  {{#subobject:street address
  | street name=Parks Road
  | postcode=OX1 3QD
  | city=Oxford
  | country=UK
  }}
 
  This does the following:
 
  (A) create a new subobject called Example page#_anInternalId,
  (B) assign the property values for street name, ..., country to this
  subobject,
  (C) assign the subobject Example page#_anInternalId as a property
  value for street address to Example page.
 
  You could have achieved a similar effect as follows:
 
  (A') create a new page called my auxiliary page,
  (B') edit this new page to contain the text:
 
   [[street name::Parks Road]]
   [[postcode::OX1 3QD]]
   [[city::Oxford]]
   [[country::UK]]
 
  (C') edit the page Example page to contain the text:
 
   [[street address::my auxiliary page]]
 
 
  The difference when using #subobject is that you do not create a new
  auxiliary page. Instead, a subobject of Example page is created by
  SMW. Also, the function #subobject does not display anything unless an
  error occurred that needs to be reported.
 
  Subobjects are named automatically by following the schema Parent page
  name#_someInternalId. When subobjects are displayed to users, they thus
  appear like links to sections within their parent page. This can happen,
  e.g., subobjects might occur in query results (example above: {{#ask:
  [[postcode::OX1 3QD]] }}). Likewise, subobjects are also addressed by
  this name Parent page name

Re: [SMW-devel] RFC Subobjects (aka internal objects) in SMW

[Yury Katkov]

Hello Markus,
First of all, your alternative proposal looks much better than the
original one because of more flexibility. And praise you for the great
solution of optional naming - I hope it will be possible to implement
it!

What about RDF export and Import vocabulary features? I have really
two questions concerning both those features:

== RDFExport+RDF store question==

 As far I as I can see subobjects should be turned to the blank nodes,
shouldn't they?

== Import vocabulary question ==

Is it possible to map the subobject to RDF  class? That can be
extremely useful even in simple vocabularies like FOAF.
Here is an example: we have the wiki-page of Yury who has an online
account in two social networks: Facebook and Vkontakte.

===Example===
It's pretty easy to describe this fact with subobjects:
# PAGE STARTS#
Yury has [[has account::{{#subobject:
                                      service=http://facebook.com
                                      accountname=ganqqwerty}}
|facebook account]],
               [[has account:: {{#subobject:
                                       service=vkontakte.ru
                                        accountname=katkov}}
|Vkontakte.ru account]]
#PAGE ENDS#
===RDF Export===
If I map has account to foaf:account, map service to uring rdf export
we will get the following (simplified)
:Yury_id_in_wiki foaf:account
  :Yury_id_in_wiki#tmpnum1 .
:Yury_id_in_wiki#tmpnum1  foaf:accountServiceHomepage http://facebook.com
:Yury_id_in_wiki#tmpnum1 foaf:accountNameganqqwerty
=== Problem ===
The problem is that the property foaf:account has range
foaf:OnlineAccount. Our RDF export now is a little bit incomplete.

===Proposal===

Make it possible to assign some kind of type to the subobject and map
those types to RDFS or OWL classes. I honestly don't know how this can
be done - probably with the special attribute type or category.

The typing can be needed now only in case of RDF export. If I have a
wiki with thousands of subobjects it would always be nice to see what
kind of subobjects are there.


Anyway the subobject feature will help me to tie together a bundle of
properties in Semantic Social Profile, for example Name of the country
of living, Name of the city of living, Street, house number as well as
Geographic coordinates of the place where the user lives.

Sorry if was late fo the discussion,
Yury

On Mon, Oct 3, 2011 at 1:02 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:

 Following up the discussions we had at SMWCon in Berlin, we have now
 implemented a new feature for internal objects in SMW. This email
 explains this feature and starts the discussion on some open questions
 for it to become stable.


 == Goal ==

 Allow SMW annotations to refer to objects that have their own
 property-value pairs just like wiki pages, but that do not actually have
 an article in the wiki. This can be used to group property-value pairs
 given on one page without requiring new auxiliary pages to be created.
 It also integrates the main functionality of the Semantic Internal
 Objects (SIO) extension into SMW.


 == Feature Overview: Current Prototype Implementation ==

 SMW now has a new subobject feature. For example, you can use the
 parserfunction #subobject on some page Example page as follows:

 {{#subobject:street address
 | street name=Parks Road
 | postcode=OX1 3QD
 | city=Oxford
 | country=UK
 }}

 This does the following:

 (A) create a new subobject called Example page#_anInternalId,
 (B) assign the property values for street name, ..., country to this
 subobject,
 (C) assign the subobject Example page#_anInternalId as a property
 value for street address to Example page.

 You could have achieved a similar effect as follows:

 (A') create a new page called my auxiliary page,
 (B') edit this new page to contain the text:

  [[street name::Parks Road]]
  [[postcode::OX1 3QD]]
  [[city::Oxford]]
  [[country::UK]]

 (C') edit the page Example page to contain the text:

  [[street address::my auxiliary page]]


 The difference when using #subobject is that you do not create a new
 auxiliary page. Instead, a subobject of Example page is created by
 SMW. Also, the function #subobject does not display anything unless an
 error occurred that needs to be reported.

 Subobjects are named automatically by following the schema Parent page
 name#_someInternalId. When subobjects are displayed to users, they thus
 appear like links to sections within their parent page. This can happen,
 e.g., subobjects might occur in query results (example above: {{#ask:
 [[postcode::OX1 3QD]] }}). Likewise, subobjects are also addressed by
 this name Parent page name#_someInternalId in all search and export
 interfaces in SMW. For example, one can view the data for one particular
 subobject in Special:Browse.

 In general, subobjects should work like normal pages in most SMW
 interfaces. The goal of this naming is to avoid any clashes 

Re: [SMW-devel] SMWWriter

[Yury Katkov]

===on your first issue: ===

It's pretty hard to delete the text related to your semantic property. The
property  of the page may be from different kinds of sources.
Suppose we have a property testprop on a page testpage. Where did it come
from?

1) maybe someone just have put the [[testprop::value]] on a testpage. Pretty
easy
2) maybe someone called the template
{{mytemplate
|param1=value
}}

and mytemplate looks like that:

[[testprop::{{{param1}}}]]

3) it's also possible that there were more complex logic in a template using
{{#if: }}, {{#ifeq: }} and so one.

It seems hard to fix the text that is according to property.

===On your second issue: ===


I'm not sure but it seems that the easiest way to add an annotation to the
page is to pretend that you are human and modify the text of the wiki page.

On Wed, Oct 5, 2011 at 7:35 AM, Mauricio Etchevest maurici...@gmail.comwrote:

 Hi everyone!

 I´m working on my new extension for SMW and using SMWWriter.

 I need to do two issues:

 The first is to delete an annotation with his value´s text, but the problem
 is that SMWWriter leave the text of the value and delete the property name.
 There´s a way to delete the text too ?

 The other thing is to add a new annotation, the problem here is that
 SMWWriter add a #set call somewhere in the article with the new annotation
 and I need to add like [[property::value]]

 I read Help:SMWWriter and tells that don´t work like I want.. but can
 anyone tell me some guideline if I decide to change SMWWriter ?



 Thanks!




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Re: [SMW-devel] Semantic Web Browser available in SVN

[Yury Katkov]

Hi Benedikt and all!

Looks really interesting! This extension can be great support for the
existing vocabulary import functionality of SMW.
For example user can browse the Semantic Web data and after finding useful
rdf term immediately align it with existing wiki property. That can improve
the user experience with import vocabulary.

Yury


On Wed, Oct 5, 2011 at 4:52 PM, Benedikt Kämpgen
benedikt.kaemp...@kit.eduwrote:

 Hello,

 At SMWCon, I gave a short presentation about a new extension Semantic Web
 Browser.

 Given a URI from the Semantic Web (e.g. the one of Tim Berners-Lee [1]), we
 can start browsing the wiki and the Semantic Web.

 Semantic Web Browser is now available in SVN and we have created an
 extension page [1]. There, you will also find demos.

 I received good feedback after the presentation, therefore, we wanted to
 publish Semantic Web Browser as early as possible. But please note:
 Semantic
 Web Browser is in an early state.

 Happy browsing,

 Benedikt

 [1] http://www.w3.org/People/Berners-Lee/card#i
 [2] http://www.mediawiki.org/wiki/Extension:Semantic_Web_Browser

 --
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 Phone: +49 721 608-47946
 Email: benedikt.kaemp...@kit.edu
 Web: http://www.aifb.kit.edu/web/Hauptseite/en





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Re: [SMW-devel] inference on printout statements

[Yury Katkov]

It seems that it's a planned feature
Everyone who is interested in this new feature, please vote for this
issue in Bugzilla:

https://bugzilla.wikimedia.org/show_bug.cgi?id=12822

On Sun, Oct 2, 2011 at 9:34 PM, Dan Bolser dan.bol...@gmail.com wrote:
 On 1 October 2011 19:07, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi everyone, developers and users!

 ==Problem==

 The printout statements are not currently engaged in inference in
 Semantic MediaWiki.
 For example if I have a page Moskow with a property [[is capital
 of::Russia]], which is a subproperty of the property [[located in]].
 If I construct the following query

 {{#ask:
  [[is capital of::Russia]]
  | ?located in
 }}

 there will be nothing in a located in column.
 == Questions ==

 # are there any plans to add inference in printout statements?
 # how hard is this task?
 # how many people besides myself are in need of this feature? The
 possible workarounds just seem wrong...

 I agree that the above query should return Moscow, Moscow, according
 to the definition of subproperties [1].

 To the extent that I expect things like autocomplete on property =
 located in to return 'Moscow' as one of the possibilities in SF
 (currently fails, but is this related?), then yes, I need features
 like this.


 Cheers,
 Dan.

 [1] http://semantic-mediawiki.org/wiki/Property:Subproperty_of

 Sincerely yours,
 --
 Yury V. Katkov
 WikiVote! llc

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[SMW-devel] inference on printout statements

[Yury Katkov]

Hi everyone, developers and users!

==Problem==

The printout statements are not currently engaged in inference in
Semantic MediaWiki.
For example if I have a page Moskow with a property [[is capital
of::Russia]], which is a subproperty of the property [[located in]].
If I construct the following query

{{#ask:
  [[is capital of::Russia]]
  | ?located in
}}

there will be nothing in a located in column.
== Questions ==

# are there any plans to add inference in printout statements?
# how hard is this task?
# how many people besides myself are in need of this feature? The
possible workarounds just seem wrong...

Sincerely yours,
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Re: [SMW-devel] Reminder of Architecture Overview update

[Yury Katkov]

+1 for continuing the Architecture Guide.

On Sun, Sep 25, 2011 at 8:18 AM, Samuel Lampa samuel.lamp...@rilnet.comwrote:

 Sorry for repeating this, but wanted to remind about the need to update
 the rest of the Architecture Overview article [1]. I guess that even
 just updating the text that is there (there are two sections not updated
 to 1.6) would go a long way?

 The problem now is that even parts supposed to be updated for 1.6
 changes still contain pointers to the supposedly ditched SMWDataValue
 for example (see: [2]), which makes it somewhat confusing.

 I'd love to have a shortlist of the foundational classes I need to know
 to represent triple data with SMW classes ... Should I basically be fine
 with SMWDataItems (elements) and SMWSemanticData (aggregates of facts
 per subject)? ... or is there some other foundational class I should add
 to the shortlist?

 (Should not forget to say that the 1.6 changes looks very nice! :)
 ... if we can just get the know how to use it all ;) )

 Cheers,
 // Samuel

 [1]: http://www.semantic-mediawiki.org/wiki/Architecture_guide
 [2]:

 http://www.semantic-mediawiki.org/wiki/Architecture_guide#SMWSemanticData_and_other_ways_to_represent_facts



 --
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 ---
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Blog: http://saml.rilspace.org
 ---


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Re: [SMW-devel] Syntax highlighting in smw.org

[Yury Katkov]

Thank you Markus! it really works.

Could anybody now add pretty appearance settings to [1]? The text is too
small now, IMO. I think it's possible just to copy the css from MediaWiki
website [2].

[1] http://semantic-mediawiki.org/wiki/MediaWiki:Geshi.css
[2] http://www.mediawiki.org/wiki/MediaWiki:Geshi.css

On Tue, Sep 6, 2011 at 6:28 PM, Markus Krötzsch 
mar...@semantic-mediawiki.org wrote:

 Your aggregated wishes are my command. Should work now.

 Markus


 On 05/09/11 13:59, Dan Bolser wrote:

 +1


 Dan.

 Don't panic. Don't be Google.

 On 15 August 2011 20:52, Jeroen De Dauwjeroended...@gmail.com  wrote:

 +1 for installing SyntaxHighlight_GeSHi extension.

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[SMW-devel] Syntax highlighting in smw.org

[Yury Katkov]

Dear administrators of Semantic-mediawiki.org!
Can you add an extension for syntax highlight [1] in a wiki? If it
time-consuming would you mind to make the text in side the pre tag bigger?
It requires adding the following text on MediaWiki:Vector.css :

pre {
font-size: 130%;
}


I'm working on programming documentation for my students and all SMW users
here [2] and I think that the code snippets are very hard to read.

[1] http://www.mediawiki.org/wiki/Extension:SyntaxHighlight_GeSHi
[2]  http://semantic-mediawiki.org/wiki/User:Ganqqwerty/programming_examples

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Re: [SMW-devel] API key for Semantic-mediawiki.org

[Yury Katkov]

Hi Jeroen,

I'm trying to run ask query with Special:Ask

Here is the link
http://semantic-mediawiki.org/wiki/Special:Ask?title=Special%3AAskq=%5B%5BCategory%3ACity%5D%5Dpo=%3FCoordinates%0D%0Asort_num=order_num=ASCeq=yesp%5Bformat%5D=mapp%5Blimit%5D=20p%5Bheaders%5D=p%5Bmainlabel%5D=p%5Bsearchlabel%5D=p%5Bzoom%5D=p%5Bwidth%5D=p%5Bheight%5D=p%5Btype%5D=p%5Bautozoom%5D=eq=yes

On Tue, Aug 2, 2011 at 6:28 PM, Jeroen De Dauw jeroended...@gmail.com wrote:
 Hey,

 saw an error message that there is no Google Maps API key

 Can you link to where this is occurring?

 Cheers

 --
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Re: [SMW-devel] API key for Semantic-mediawiki.org

[Yury Katkov]

Latest news! There is an error at the top of the page. Bug report

1) Trying to run query [1] as anonymous user
2) logging in as ganqqwerty
3) System moves me to the page [1] where I see the following error:

bWarning/b:  Invalid argument supplied for foreach() in
b/domains/semantic-mediawiki.org/www/w/extensions/SemanticMediaWiki/specials/AskSpecial/SMW_SpecialAsk.php/b
on line b84/bbr /


Yury

[1] 
http://semantic-mediawiki.org/wiki/Special:Ask?title=Special%3AAskq=%5B%5BCategory%3ACity%5D%5Dpo=%3FCoordinates%0D%0Asort_num=order_num=ASCeq=yesp%5Bformat%5D=mapp%5Blimit%5D=20p%5Bheaders%5D=p%5Bmainlabel%5D=p%5Bsearchlabel%5D=p%5Bzoom%5D=p%5Bwidth%5D=p%5Bheight%5D=p%5Btype%5D=p%5Bautozoom%5D=eq=yes
On Tue, Aug 2, 2011 at 7:17 PM, Yury Katkov katkov.ju...@gmail.com wrote:
 Hi Jeroen,

 I'm trying to run ask query with Special:Ask

 Here is the link
 http://semantic-mediawiki.org/wiki/Special:Ask?title=Special%3AAskq=%5B%5BCategory%3ACity%5D%5Dpo=%3FCoordinates%0D%0Asort_num=order_num=ASCeq=yesp%5Bformat%5D=mapp%5Blimit%5D=20p%5Bheaders%5D=p%5Bmainlabel%5D=p%5Bsearchlabel%5D=p%5Bzoom%5D=p%5Bwidth%5D=p%5Bheight%5D=p%5Btype%5D=p%5Bautozoom%5D=eq=yes

 On Tue, Aug 2, 2011 at 6:28 PM, Jeroen De Dauw jeroended...@gmail.com wrote:
 Hey,

 saw an error message that there is no Google Maps API key

 Can you link to where this is occurring?

 Cheers

 --
 Jeroen De Dauw
 http://www.bn2vs.com
 Don't panic. Don't be evil.
 --




 --
 Yury V. Katkov
 Laboratory of intelligent systems
 of the Saint-Petersburg National University of Information
 Technologies, Mechanics and Optics, Russia
 http://ailab.ifmo.ru




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Re: [SMW-devel] Triple store integration - how can we contribute?

[Yury Katkov]

 some amount of
special handling or optimisation, this can be prepared by answering
the
above SPARQL support questions).

* Testing. The more early testers we get, the better for the stability
of the code.


Regards,

Markus


On 26/03/11 13:06, Yury Katkov wrote:
  Hello everyone!
 
  We have compared the current solutions for the triple store
  integration [1] and found that all those solutions are either
  incomplete or use very hard patches of the SMW core.
  Recently Markus mentioned that the next version of SMW will be
better
  integrated with RDF store. Is it possible to get some details about
  these planned integration features? We want to contribute to  this
  work by solving as many related tasks as possible. Such features
would
  be very useful for our installation of SMW and I believe for the
whole
  SMW project.
 
  Sincerely yours,
  Yury Katkov
 
  [1]
http://www.semantic-mediawiki.org/wiki/SPARQL_and_RDF_stores_for_SMW
 
 

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Re: [SMW-devel] help with ParserFunctions in a template

[Yury Katkov]

Hello!

I've used #if with #arraymap in wiki of the 90th. Have a look at it here [1]


{{#if: {{{Source|}}}|
{{!}} '''Источник''' {{!}}{{!}}
{{#arraymap:{{{Source|}}}|;|x|[[Source::x]]}}|}}

[1]
http://repository.uroki90.ru/index.php?title=%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD:%D0%9A%D0%B0%D1%80%D1%82%D0%BE%D1%87%D0%BA%D0%B0_%D0%B4%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D0%B0_%D0%B2%D0%BD%D1%83%D1%82%D1%80action=edit

On Fri, Mar 25, 2011 at 8:10 AM, asafbareket asaf.bare...@gmail.com wrote:


 Hi all

 I have the string

 | '''language
 | {{#arraymap:{{{language|}}}|,|x|[[language::x]]}}
 |-

 and I want it to be shown only if a text is entered, and to be hidden when
 it's null. I guess I should use the parser #if, but how exactly do I
 write
 the parser so it would work?
 I've tried all kinds of grammar, but none worked.

 Help please!

 Thanx in advance,
 Asaf
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Re: [SMW-devel] [Semediawiki-user] Fwd: Wikia Contact Mail - Semantic Mediawiki, Semantic Forms, Semantic Drill Down {12501}

[Yury Katkov]

Hello Jesse!

Speaking of performance questions  - some of them were discussed during
ISWC2010 by
Daniel M Herzig, Basil Ell in their paper Semantic MediaWiki in Operation:
Experiences with Building a Semantic Portal. [1]


[1] http://iswc2010.semanticweb.org/accepted-papers/397

On Tue, Mar 22, 2011 at 7:15 PM, Jesse Wang wjxh...@gmail.com wrote:

 It'll be interesting to know more details about the performance problems
 that SMW has at Wikia or in general, because there are many people who use
 SMW for large scale data integration will be really interested in learning
 the issues and how to work around them (if they won't be fixed in time).

 Markus and Tim, can you be more specific here?
 Thanks,
 Jesse

 On Tue, Mar 22, 2011 at 1:36 AM, Markus Krötzsch 
 mar...@semantic-mediawiki.org wrote:

  On 22/03/11 03:01, Yaron Koren wrote:
   Very interesting... I didn't know that was their official response now.
   I don't think that conveys the full relationship they have with SMW,
 but
   it's still good to know.
 
  The performance problems that Wikia has with SMW are very real, even if
  caused in no small part by the SMW configuration that is used on the
  sites. In any case Wikia runs the largest SMW installations that are
  around today, with millions of facts in single databases and complex
  queries on top of them.
 
  We are currently cooperating with Wikia for helping them to improve
  performance, and I hope that this will make it easier for them to fully
  embrace the use of semantic extensions on their sites.
 
  - Markus
 
  
   On Mon, Mar 21, 2011 at 7:49 PM, Robert Murphy 
 mrandmrsmur...@gmail.com
   mailto:mrandmrsmur...@gmail.com wrote:
  
   Did you all know that this is what wikia sends to people who ask
 for
   SMW?!
   I'm glad I've gone with Referata.
  
   -- Forwarded message --
   From: Wikia Support supp...@wikia-inc.com
   mailto:supp...@wikia-inc.com
   Date: Mon, Mar 21, 2011 at 12:18 PM
   Subject: RE: Wikia Contact Mail - Semantic Mediawiki, Semantic
 Forms,
   Semantic Drill Down {12501}
  
  
  
 [image: Wikia Help]
  
 Hello ***,
  
   Thanks for contacting Wikia. Semantic MediaWiki is a very powerful
   extension. It can let you do some great things on a wiki, but that
  power
   comes at a cost. Queries can make wikis slow, which can be
   frustrating for
   visitors. Often, there are less costly extensions or built-in
 methods
  to
   achieve the same effects. So please consider your request for
  Semantic
   MediaWiki further. A comprehensive guide can be found at
   http://semantic-mediawiki.org
  
   Even if you do know you need Semantic MediaWiki for a specific
 task,
  we
   still strongly urge you to take a minute to read the guide.
  
   If you want to go ahead with this feature, please let us know. Or,
   let us
   know what you want to achieve, and we will look to see if there is
 a
   better
   way than Semantic MediaWiki.
  
   --
  
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   Wikia Community Support Team
  
 
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Re: [SMW-devel] documentation, entry points, interface classes

[Yury Katkov]

Thank you very much, Markus! Architecture guide provides much help
even being incomplete! I'll do my best to improve it after becoming
more proficient with SMW development.
Speaking about examples, I think that the best documentation in the
world is Qt Assistant in the Qt framework [1] - and because of this
the library is so much popular among C++ and Python GUI developers.
Each class of the library has the examples of its usage; they also
provide rich (but comprehensive) example applications where one can
see the way many Qt-classes interact.
The SMW community can add useful examples of solving typical tasks on
the official SMW wiki - I'm sure it improves the documentation very
much.

[1] http://doc.qt.nokia.com/4.6/index.html


On Thu, Feb 24, 2011 at 1:40 PM, Markus Krötzsch
mar...@semantic-mediawiki.org wrote:

 On 24/02/2011 09:41, Yury Katkov wrote:

 Hello everyone!

 I'm trying to make Semantic MediaWiki extension and observing the
 documentation. I checked the Programmer Guide [1] and found that only
 the Doxygen documentation is currently available. Here are some questions:

 1)  Are there any very small example extensions available,  whether or
 not some tutorials exist?
 2) What are the main entry points to the code? For example, how can I
 add a numeric property Age with value 27 to the page User:Paul? Should I
 use SMWDataValueFactory? Or another example: what classes are to be used
 when I want to make an #ask query in my PHP code?
 3) What classes are interfaces for extension developers and what classes
 belongs to the SMW core and should not be used by us?

 Hopefully after figuring out the answers to these questions I will able
 to improve the current documentation and it will make the life of other
 newbie extension developers easier.

 Hi Yury,

 by a happy coincidence I have just realized that we are lacking a good 
 starting point for understanding SMW's architecture, and I have started to 
 write a suitable documentation [1]. It is still incomplete, but I hope I can 
 add further information within the next week.

 I agree that this is important to have, not only for helping people to get 
 started but also to reduce the effort we have in aligning contributions with 
 what we intend SMW to be. PHP is not very good for communicating architecture 
 through code alone ;-)

 I also second your call for examples but there are so many ways in which to 
 extend SMW that it is hard to come up with example code that is of general 
 interest. Maybe we could build a collection of LocalSettings.php code 
 snippets that show how some functions can be extended (e.g. how to register a 
 new datatype, how to add a sidebar item that shows a property value for the 
 given page, etc.)

 Regards

 Markus

 [1] http://semantic-mediawiki.org/wiki/Architecture_guide#



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[SMW-devel] documentation, entry points, interface classes

[Yury Katkov]

Hello everyone!

I'm trying to make Semantic MediaWiki extension and observing the
documentation. I checked the Programmer Guide [1] and found that only the
Doxygen documentation is currently available. Here are some questions:

1)  Are there any very small example extensions available,  whether or not
some tutorials exist?
2) What are the main entry points to the code? For example, how can I add a
numeric property Age with value 27 to the page User:Paul? Should I use
SMWDataValueFactory? Or another example: what classes are to be used when I
want to make an #ask query in my PHP code?
3) What classes are interfaces for extension developers and what classes
belongs to the SMW core and should not be used by us?

Hopefully after figuring out the answers to these questions I will able to
improve the current documentation and it will make the life of other newbie
extension developers easier.

[1] http://semantic-mediawiki.org/wiki/Programmer's_guide_to_SMW

Sincerely yours,

Yury V. Katkov
Laboratory of intelligent systems
of the Saint-Petersburg National University of Information Technologies,
Mechanics and Optics, Russia
http://ailab.ifmo.ru
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Re: [SMW-devel] Thank you for recent(?) changes to property handling for recursive/embedded queries

[Yury Katkov]

It's strange that you say that the difference between property-annotation
and #set is its appearance on the page. I use [[Property_name::value|]]
syntax for that and I always thought that the #set parser function has been
designed to support the kind of behavior Alex mentioned.

On Thu, Feb 10, 2011 at 7:04 PM, Markus Krötzsch 
mar...@semantic-mediawiki.org wrote:

 Actually, we even already have an open bug report for this problem:

 https://bugzilla.wikimedia.org/show_bug.cgi?id=26658

 - Markus

 On 10/02/2011 15:02, Markus Krötzsch wrote:
  On 09/02/2011 19:19, Alex M. Hendler wrote:
  Dear SMW Development Team,
 
  Thank you very much for the recent(?) changes to SMW's behavior
  regarding how properties are treated when a page is transcluded or
  embedded via a query: It offers a great deal of flexibility and allows
  much more granular management of semantic data than was possible in the
  past.
 
  I am not sure when this got introduced, but in my experience, up to
  version 1.5.1 (or .2), pages containing embed queries (or transcluding
  other pages) would still inherit properties from the embedded pages. As
  of 1.5.5.1 (I am not sure whether the change was introduced before
  that), this is no longer the case for ordinary ([[Property::value]])
  properties. This is great news!
 
  It should always have been like this. If not, then some bug might have
  been at work on your site.
 
 
  Also, I have noticed, but I have not seen documented on the SMW site,
  that properties assigned via {{#set:}} (and its related functions) will
  be inherited via embed queries or transclusion. Please do not change
  this, it is a great feature! It provides a great deal of flexibility,
  and now allows something which I (and possibly others?) have wanted to
  do for a long time (I wrote to this list last August about a possible
  feature/option like this): This behavior allows certain properties to be
  inherited via transclusion or an embed query, but prevents that
  behavior by default, i.e., for [[property::value]] statements.
 
  This is not intended and is likely to be rectified in future versions.
  Clearly, the difference between property-annotation and #set is its
  appearance on the page, and it would not be good design to couple this
  with difference embedding behaviour (or otherwise, one might at least
  want to have all four combinations of behaviours here).
 
  The baheviour you note is merely an accident, that does not lead to the
  functionality that you would like to have. The reason is that
  inheriting annotations through queries is not supported properly by
  SMW, since updates are not triggered. If you change the inherited
  property value on some page, then this will *not* change the stored
  value for the query page that inherits it. This is already bad in
  other cases where people use query-generated property values but it is
  even more critical in your scenario, since the page with the embed query
  would probably not be edited a lot (since the query is there, the view
  updates itself, at least after some time, without needing editing).
  This is very problematic, since the view of the query page will then be
  different from the actual data stored by SMW.
 
  I mark your wish for a more configurable behaviour here, but I cannot
  promise that this will ever be implemented in a satisfactory fashion,
  and I can only urge you to reconsider the way in which you model data in
  your wiki (for a deeper reason why SMW does not support this, note that
  the automatic propagation of values through query results would be
  sufficient to model arbitrary computations in a system of SMW pages --
  you do not want this). For now, we will just keep it as it is, but it
  should not be documented as the official behaviour (since it is merely a
  bug that gives the wrong impression that there is a feature that does
  not exist).
 
  To allow at least one-step propagation of values (avoiding recursion)
  one would still need to first implement a monitoring mechanism that
  pushes query updates to pages (this requires a new query management
  facility that keeps query statistics in the database). This is some work
  already. One could use the existing jobs to trigger the required
  database updates when query changes were found (deferred updating, but
  the best we can do). Finally, one would need a mechanism to prevent
  inherited property values to be further propagated to other pages, so
  as to avoid infinite recursion. I do not see immediately how this could
  be done in a practical way.
 
 
 
  I have added a few notes on the talk pages for the embed format
  (http://semantic-mediawiki.org/wiki/Help:Embedded_format) and the set
  parser function (http://semantic-mediawiki.org/wiki/Help:Setting_values
 )
  on the SMW main wiki, but you may want to add to the official
  documentation that #set: values will get transcluded via an embed format
  query or basic transclusion and that this can be