W3C home > Mailing lists > Public > www-webont-wg@w3.org > November 2002

Re: SEM: Light review of semantics document

From: Jim Hendler <hendler@cs.umd.edu>
Date: Thu, 7 Nov 2002 20:39:10 -0500
Message-Id: <p05111715b9f0c5bea62c@[]>
To: "Jos De_Roo" <jos.deroo.jd@belgium.agfa.com>
Cc: Jeff Heflin <heflin@cse.lehigh.edu>, pat hayes <phayes@ai.uwf.edu>, www-webont-wg@w3.org, www-webont-wg-request@w3.org

At 1:01 AM +0100 11/8/02, Jos De_Roo wrote:
>the only difference that I see is that in your
>first case there is just an additional ntriple
>in the set of ntriples i.e.
>   : a owl:Ontology.
>(actually some more e.g.
>   : owl:imports <uri>.     # eventually
>   : owl:versionInfo "1.0". # not sure if ok
>-- ,
>Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/

Jos, I'm trying to distinguish the pages in which classes and 
properties are "defined" from the ones in which they are "used" -- 
some pages do both, but in practice we are seeing a strong tendency 
to separate these - Jeff points out that the extra triple you mention 
is a strong heuristic in telling one from the other -- and the great 
majority of current DAML ontologies do indeed use the ontology 
statement -- I expect same will be true in owl...

Professor James Hendler				  hendler@cs.umd.edu
Director, Semantic Web and Agent Technologies	  301-405-2696
Maryland Information and Network Dynamics Lab.	  301-405-6707 (Fax)
Univ of Maryland, College Park, MD 20742	  240-731-3822 (Cell)
Received on Thursday, 7 November 2002 20:39:18 UTC

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