agreed. or prov:provenance?
Luc
On 26/02/2013 10:51, Paul Groth wrote:
That seems to be the best way then.
so prov:hasprovenance or prov:has_provenance
?
Paul
On Tue, Feb 26, 2013 at 10:13 AM, Ivan Herman <[email protected]
<mailto:[email protected]>> wrote:
Do you mean the element that is generated into the header of the
HTML? If that is the only place it appears, I think we can change
that for the published PR document before handing it over to the
webmaster.
Ivan
On Feb 26, 2013, at 10:42 , Luc Moreau <[email protected]
<mailto:[email protected]>> wrote:
> It's in the <link> element we added last week.
>
> On 26/02/2013 09:40, Ivan Herman wrote:
>> Graham,
>>
>> I am not sure I understand something.
>>
>> I have looked at the prov-o document, and that document does
not mention the prov:hasProvenance term. Ie, where does this term
appear in any of the four Rec-track documents? More importantly,
does it appear, if it does, in a normative section?
>>
>> Ivan
>>
>>
>> On Feb 26, 2013, at 10:30 , Graham Klyne<[email protected]
<mailto:[email protected]>> wrote:
>>
>>
>>> Hi,
>>>
>>> [I'm keeping this off-list for now, because if Ivan says
there's nothing we can do at this juncture, I see little point in
opening the issue for wider discussion. I am cc'ing www-archive
so there's a record of our discussion.]
>>>
>>> This is a bit embarrassing, given an email I wrote just a
couple of days ago.
>>>
>>> I'm working through comments on PROV-AQ, and Stian has raised
the following:
>>>
>>> [[
>>> 32) According to http://tools.ietf.org/html/rfc5988#section-4.2
>>>
>>> When extension relation types are compared, they MUST be
compared as
>>> strings (after converting to URIs if serialised in a different
>>> format, such as a Curie [W3C.CR-curie-20090116]) in a case-
>>> insensitive fashion, character-by-character. Because of
this, all-
>>> lowercase URIs SHOULD be used for extension relations.
>>>
>>> Should we not have relation URIs that are all lowercase to
avoid problems? ie.
>>>
>>> Link:<http://acme.example.org/provenance/super-widget>;
>>> rel="http://www.w3.org/ns/prov#hasprovenance";
>>> ]]
>>>
>>> I had completely missed this in RFC5988, and had forgotten
about Stian's comment when I replied a couple of days ago.
>>>
>>> If we hadn't just been through the incorporation of provenance
links into the published documents, I'd suggest changing
"hasProvenance" to "has_provenance" to avoid the problems noted.
>>>
>>> So, what now? I see a few options:
>>>
>>> (a) keep the same name, and simply note that, when used as a
link relation, prov:hasProvenance is compared case-insensitively.
>>> (b) if it's not too late, change the property name
>>> (c) define a second property that is all lowercase, and
declared equivalent to the first.
>>>
>>> As far as I can tell, the main consequence of going with
option (a) is that we MUST NOT in future define a different
property/relation prov:hasprovenance, as under some circumstances
covered by RFC5988, this would be indistinguishable from
prov:hasProvenance.
>>>
>>> Given where we now are, my inclination would be to stay with
things as they are, but add a note reserving the all lower-case
versions of prov:hasProvenance, etc., from future use because of
the case insensitivity comparison requirement.
>>>
>>> #g
>>> --
>>>
>>
>> ----
>> Ivan Herman, W3C Semantic Web Activity Lead
>> Home: http://www.w3.org/People/Ivan/
>> mobile: +31-641044153 <tel:%2B31-641044153>
>> FOAF: http://www.ivan-herman.net/foaf.rdf
>>
>>
>>
>>
>>
>>
>
> --
> Professor Luc Moreau
> Electronics and Computer Science tel: +44 23 8059 4487
<tel:%2B44%2023%208059%204487>
> University of Southampton fax: +44 23 8059 2865
<tel:%2B44%2023%208059%202865>
> Southampton SO17 1BJ email:
[email protected] <mailto:[email protected]>
> United Kingdom http://www.ecs.soton.ac.uk/~lavm
<http://www.ecs.soton.ac.uk/%7Elavm>
>
>
----
Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153 <tel:%2B31-641044153>
FOAF: http://www.ivan-herman.net/foaf.rdf
--
--
Dr. Paul Groth ([email protected] <mailto:[email protected]>)
http://www.few.vu.nl/~pgroth/ <http://www.few.vu.nl/%7Epgroth/>
Assistant Professor
- Knowledge Representation & Reasoning Group |
Artificial Intelligence Section | Department of Computer Science
- The Network Institute
VU University Amsterdam
--
Professor Luc Moreau
Electronics and Computer Science tel: +44 23 8059 4487
University of Southampton fax: +44 23 8059 2865
Southampton SO17 1BJ email: [email protected]
United Kingdom http://www.ecs.soton.ac.uk/~lavm
