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Re: RDF Containers and OWL Lite

From: Brian McBride <bwm@hplb.hpl.hp.com>
Date: Thu, 27 Feb 2003 23:51:23 +0000
Message-Id: <5.1.0.14.0.20030227234611.09d23b88@localhost>
To: Jeremy Carroll <jjc@hplb.hpl.hp.com>, w3c-rdfcore-wg@w3.org

At 11:08 27/02/2003 +0100, Jeremy Carroll wrote:


>Agenda request for tomorrows telecon.



>[My attempts to have this discussed in WebOnt have failed].

Is see the webont chairs haven't decided yet:

   http://lists.w3.org/Archives/Public/www-webont-wg/2003Feb/0401.html

I have asked via the cg if they would like our input.  I'm inclined to 
postpone a little bit till we hear from them.

Brian







>The current AS&S WD of WebOnt
>http://www.w3.org/TR/owl-semantics
>
>permits the following in OWL Lite:
>
><owl:Class rdf:about="&eg;Bag"/>
><owl:ObjectProperty rdf:about="&eg:_1"/>
><owl:ObjectProperty rdf:about="&eg:_2"/>
><eg:Bag>
>   <eg:1>
>     <owl:Thing/>
>   </eg:1>
></eg:Bag>
>
>but prohibits from OWL Lite:
>
><owl:Class rdf:about="&rdf;Bag"/>
><owl:ObjectProperty rdf:about="&rdf:_1"/>
><owl:ObjectProperty rdf:about="&rdf:_2"/>
><rdf:Bag>
>   <rdf:1>
>     <owl:Thing/>
>   </rdf:1>
></rdf:Bag>
>
>
>(Both examples may include rdfs:comments indicating that the informal
>semantics intended is that of an rdf:Bag - an informal semantics that is not
>formally supported either in OWL Lite or RDF).
>
>Both examples are in OWL Full and have identical semantics in OWL Full
>(except that the URIs of the classes and properties differ).
>
>This appears to be an unmotivated failure of interoperability between OWL
>Lite and RDF.
>
>I suggest that this WG may like to either:
>- make a comment asking for a rationale on public-webont-comments
>or
>- ask Brian to raise this at the coordination group.
>
>Jeremy
>
>[My attempts to have this discussed in WebOnt have failed].
Received on Thursday, 27 February 2003 18:50:20 EST

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