Re: R2RML ontology bug? constant shortcut property definition not according to spec.

> On 24 Feb 2016, at 14:19, Richard Cyganiak <richard@cyganiak.de> wrote:
> 
> 
>> On 24 Feb 2016, at 12:32, Ivan Herman <ivan@w3.org <mailto:ivan@w3.org>> wrote:
>> 
>>> I can confirm that the domain definitions for rr:subject, rr:predicate, rr:object and rr:graph in https://www.w3.org/ns/r2rml.ttl <https://www.w3.org/ns/r2rml.ttl> do not match (or even resemble) the specification.
>>> 
>>> There are numerous other problems with the OWL representation of this namespace document.
>>> 
>>> I’m afraid the document is unfit for purpose and best ignored.
>> 
>> Or, alternatively, the document is updated and changed…
> 
> Yes, this would of course be preferable.
> 
> But there are numerous issues with the current document, so this would be a slightly bigger project.
> 
> Is it still known how the document was produced? There are HTML+RDFa, Turtle and RDF/XML variants (and possibly others?). Which one is the master copy? What toolchain was used to produce the others?

I am not sure, but I suspect the HTML+RDFa is the master. I usually generate all the other variants before pushing them up, via CVS, to the server

Ivan


> 
> Richard
> 
> 
> 
> 
>> 
>> The point is: while it is not possible to change a file on /TR, I do not see any problem changing the namespace document in case there is a documented bug.
>> 
>> Ivan
>> 
>> 
>>> 
>>> Richard
>>> 
>>> 
>>>> On 24 Feb 2016, at 11:08, Martin G. Skjæveland <martige@ifi.uio.no <mailto:martige@ifi.uio.no>> wrote:
>>>> 
>>>> Hi all,
>>>> 
>>>> I think I have identified problems with the constant shortcut properties rr:subject, rr:predicate, rr:object and rr:graph in the R2RML ontology (http://www.w3.org/ns/r2rml <http://www.w3.org/ns/r2rml>). It seems at their domain definitions are wrong and not according to the specification text.
>>>> 
>>>> The attached test ontology contains two examples which are equivalent according to the recommendation text, but inconsistent according to the R2RML ontology. The attachment explains this in more detail.
>>>> 
>>>> Regards,
>>>> Martin G. Skjæveland
>>>> <r2rml-test.ttl>
>>> 
>>> 
>> 
>> 
>> ----
>> Ivan Herman, W3C
>> Digital Publishing Lead
>> Home: http://www.w3.org/People/Ivan/ <http://www.w3.org/People/Ivan/>
>> mobile: +31-641044153
>> ORCID ID: http://orcid.org/0000-0003-0782-2704 <http://orcid.org/0000-0003-0782-2704>


----
Ivan Herman, W3C
Digital Publishing Lead
Home: http://www.w3.org/People/Ivan/
mobile: +31-641044153
ORCID ID: http://orcid.org/0000-0003-0782-2704

Received on Wednesday, 24 February 2016 13:54:04 UTC