Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-12 Thread Thomas Douillard
You mean some kind of relations * French Region *receive fund from* French state ; * French Department *receive fund from *French Region * ... Hypothetically the domain of the relation *receive fund from* could be Type of administrative Unit, although this relation could be generalised. ?

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread David Cuenca
Gerard, Normally users don't want information about human settlements, but about municipalities, which may contain several human settlements. Ideally we should have both and let the user decide what to look for. Thanks, Micru On Tue, Jun 10, 2014 at 11:08 PM, Gerard Meijssen

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Gerard Meijssen
Hoi, A settlement is in the administrative territorial entity of something higher up.. That could be the municipality. Thanks, GerardM On 11 June 2014 08:35, David Cuenca dacu...@gmail.com wrote: Gerard, Normally users don't want information about human settlements, but about

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Thomas Douillard
Hi, I basically proposed a two layers model in extended discussions : Administrative units | Administrative unit type | Administrative unit classes by country City Of London | City of the UK | Type of administrative unit of the UK Lorraine | French Region|

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Gerard Meijssen
Hoi, Important to recognise is that there can be as many layers as are needed.. ie a roller coaster can be in a park, a park can be in a settlement, a settlement in a municipality, a municipality in a county, a county in a province, a province in a state and finally a state in a country (that is

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Thomas Douillard
Hi, Gerard, I don't understand, As needed for what ? In your example it is enough to retrieve all the territorial entities a location is in. But let's say I want to get the administrative territorial organisation of France (Wikipedias probably ), I mean like france is divided in regions, regions

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Gerard Meijssen
Hoi, A bot run by Amir has remedied many of the issues that resulted from an import of data for the United States. The fix was to only point to one level up and not have a reference to the state from every location. It is implicitly there.. in the final analysis we do not need to know in what

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Thomas Douillard
There is always special cases that needs special treatments, inference is done again and again, there is no point to recompute everything with an algorithm or a query with hard coded exceptions when we have a simple and regular system who can handle and put the exceptions in the datas. Class of

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Gerard Meijssen
Hoi, You lost me. What have classes to do with this? The system is flexible and you assume that there are special cases... Name one and it can be fit in. Thanks, GerardM On 11 June 2014 11:48, Thomas Douillard thomas.douill...@gmail.com wrote: There is always special cases that needs

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Thomas Douillard
I'm still talking of the model I proposed in my first post in this thread. I did give an advantage : you can really simply query the type of units used by a country to class his administrative units, like Region, Departement (as two items) for France with just simple in one request of the future

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread emw
In case anyone is a bit lost, Tom is proposing an approach to classification we've been calling explicit metamodeling. Simply put, let's say you have a class hierarchy: A subclass of B B subclass of C C subclass of D The proposal, as I understand it, is to add instance of claims for almost all

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-11 Thread Thomas Douillard
http://www.cs.ox.ac.uk/files/3129/paper.pdf (forgot the URL) 2014-06-11 16:43 GMT+02:00 Thomas Douillard thomas.douill...@gmail.com: For a maybe more example, this paper follow that path, and gives example (and in the same time proves the approach is fully compatible with OWL2 reasoning).

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Markus Krötzsch
On 07/06/14 00:40, Joe Filceolaire wrote: Well they can ask. As there is no real definition of what is a city and what the limits of each city are I'm not sure they will get a useful answer. The population of the City of London (Q23311), for instance, is only 7,375! Should we change it from

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Luca Martinelli
We may possibly use an ad hoc item City of United Kingdom, subclass of city and UK administrative division, may we? L. Il 10/giu/2014 10:21 Markus Krötzsch mar...@semantic-mediawiki.org ha scritto: On 07/06/14 00:40, Joe Filceolaire wrote: Well they can ask. As there is no real

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Jan Dudík
Similar case: For czech towns we have https://www.wikidata.org/wiki/Q15978299 JAnD 2014-06-10 11:11 GMT+02:00 Luca Martinelli martinellil...@gmail.com: We may possibly use an ad hoc item City of United Kingdom, subclass of city and UK administrative division, may we?

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Markus Krötzsch
On 10/06/14 11:11, Luca Martinelli wrote: We may possibly use an ad hoc item City of United Kingdom, subclass of city and UK administrative division, may we? Sure, that's possible. Maybe this is even necessary. I had suggested to link to city status in the UK -- but there is no item town

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Andrew Gray
On 10 June 2014 09:20, Markus Krötzsch mar...@semantic-mediawiki.org wrote: The class city is used for relatively large and permanent human settlement[s] [1], which does not say much (because the vagueness of relatively). Maybe we should even wonder if city is a good class to use in Wikidata.

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Joe Filceolaire
Even where there is complete agreement that a human settlement is a 'city' there is still usually a question over the population of that city. The question is down to what to include. A city in many cases is understood to include the contiguous built up area but this will often extend far beyond

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread David Cuenca
I think we should drop part of and start using a better mereological system https://en.wikipedia.org/wiki/Mereology#Various_systems http://plato.stanford.edu/entries/mereology/image1.png Cheers, Micru On Tue, Jun 10, 2014 at 8:05 PM, Joe Filceolaire filceola...@gmail.com wrote: Even where

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Gerard Meijssen
Hoi, I fear that when words like mereology are expected to be understood, we will fall into the trap where our communities fear what we have been sniffing. It will just alienate them. Part of is something that is understood. There may be academic reasons that make sense to the people who care

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread David Cuenca
Hi Gerard, I think we should not aim for a perfect system, just for a better one. In our case we don't need to reproduce all cases, just identify the most relevant ones and to clarify when to use each and label/describe them clearly. Part of is understood, but in so many possible ways that its

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-10 Thread Gerard Meijssen
Hoi, As far as I am concerned, it is relevant to compare settlements in whatever country they are. A British city is always located in the United Kingdom and even more precise it is in the administrative unit of a county or whatever. When it is a city for historical reasons, this can be indicated

[Wikidata-l] Wikidata query feature: status and plans

2014-06-06 Thread Yury Katkov
Hi everyone! In the sources of Wikibase I see Ask library from which I conclude that we will have awesome SMW-like queries. Am I right? What is the status of query features and how will the queries look like when they are ready? - Yury Katkov ___

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-06 Thread Jeroen De Dauw
Hey Yury, We are indeed planning to use the Ask query language for Wikidata. People will be able to define queries on dedicated query pages that contain a query entity. These query entities will represent things such as The cities with highest population in Europe. People will then be able to

Re: [Wikidata-l] Wikidata query feature: status and plans

2014-06-06 Thread Joe Filceolaire
Well they can ask. As there is no real definition of what is a city and what the limits of each city are I'm not sure they will get a useful answer. The population of the City of London (Q23311), for instance, is only 7,375! Should we change it from 'instance of:city' to 'instance