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Re: RIF+SPARQL (was Re: Entailment regimes open issues)

From: Ivan Herman <ivan@w3.org>
Date: Tue, 16 Feb 2010 17:10:15 +0100
Message-ID: <4B7AC367.4010605@w3.org>
To: Birte Glimm <birte.glimm@comlab.ox.ac.uk>
CC: Chimezie Ogbuji <ogbujic@ccf.org>, Sandro Hawke <sandro@w3.org>, SPARQL Working Group <public-rdf-dawg@w3.org>

On 2010-2-16 16:06 , Birte Glimm wrote:
> On 16 February 2010 14:42, Chimezie Ogbuji <ogbujic@ccf.org> wrote:
>> On 2/8/10 10:25 AM, "Birte Glimm" <birte.glimm@comlab.ox.ac.uk> wrote:
>>>> I've expressed interest in the past in helping here and I do know/care about
>>>> the intersection (personally in the research I do and in how we use SPARQL
>>>> at the workplace).
>>> Chime, if  you want to co-edit that section I am happy to introduce
>>> you to how I handle the problematic cases for RDF(S) and OWL so far.
>> Certainly.  If it is okay with you and the group.
> :-) Absolutely fine with me. I'll soon (hopefully this evening) submit
> an update which also covers OWL RDF-Based Semantics and the OWL RL
> profile. 


>           All the RDF-Based entailment regimes are very similar, just
> OWL Direct Semantics is a bit different. I hope RIF can be handled in
> much the same way as the RDF-Based regimes. Maybe you can have a look
> at the document and then either just start or we can discuss the
> options for RIF in a teleconf for those interested in that.

count me in...


> Birte
>>> It is probably really straightforward, I just don't know RIF enough to
>>> judge this. OWL Direct Semantics is certainly a bit different and even
>>> OWL RDF-Based semantics introduces a view more pitfalls (infinite
>>> answers from owl:TopDataProperty for example). For OWL I am confident
>>> that I can define these and handle them appropriately. For RIF I would
>>> consider it a bit risky because I might easily miss some corner cases.
>> -- Chime
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Ivan Herman, W3C Semantic Web Activity Lead
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Received on Tuesday, 16 February 2010 16:07:50 UTC

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