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Re: OWL question (scoping out systems for inter-thesaurus mapping)

From: Dave Reynolds <der@hplb.hpl.hp.com>
Date: Mon, 17 Nov 2003 15:34:42 +0000
Message-ID: <3FB8EA92.7050102@hplb.hpl.hp.com>
To: "Miles, AJ (Alistair) " <A.J.Miles@rl.ac.uk>
Cc: "'public-esw-thes@w3.org'" <public-esw-thes@w3.org>

Hi Alistair,

Sorry for the slow reply - I've been out of email contact for most of the 
last week.

> Quick question about the OWL reasoner,
> 
> if I have the following model:
> 
> <owl:Restriction>
> 	<owl:onProperty rdf:resource="&dc;subject"/>
> 	<owl:hasValue rdf:resource="&thes1;trees"/>
> 	<owl:equivalentClass>
> 		<owl:Restriction>
> 			<owl:onProperty rdf:resource="&dc;subject"/>
> 			<owl:hasValue rdf:resource="&thes2;arbres"/>
> 		</owl:Restriction>
> 	</owl:equivalentClass>
> </owl:Restriction>
> 
> <rdf:Description rdf:about="http://www.bigal.com/trees.html">
> 	<dc:subject rdf:resource="&thes1;trees"/>
> </rdf:Description>
> 
> Would the OWL reasoner infer that ...
> 
> <rdf:Description rdf:about="http://www.bigal.com/trees.html>
> 	<dc:subject rdf:resource="&thes2;arbres"/>
> </rdf:Description>

Yes. Don't know how well it would scale up (lots of equivalentClass 
expressions can be expensive) but it does work.

Dave
Received on Monday, 17 November 2003 10:39:47 UTC

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