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Re: LANG: Knowing where thing come from (was Re: Lang: owl:ontolgy )

From: Jim Hendler <hendler@cs.umd.edu>
Date: Thu, 19 Sep 2002 20:51:03 -0400
Message-Id: <p0511170cb9b0206cf381@[]>
To: Jeff Heflin <heflin@cse.lehigh.edu>, Christopher Welty <welty@us.ibm.com>
Cc: www-webont-wg@w3.org

At 5:42 PM -0400 9/19/02, Jeff Heflin wrote:
>Just to refresh everyone's memory, this discussion began because of the
>proposals for handling imports that are based in XML/RDF syntactic
>inclusion. My whole point is that in every approach I've seen so far,
>this form of inclusion loses track of which statements come from which
>ontologies. In these cases, I no longer have the URLs of the documents;
>they were lost when one document was inserted into another. If all OWL
>parsers must perform this kind of inclusion, then people like me lose
>the ability to do the things I mentioned.
>Note, I was not arguing that we need to modify RDF or OWL in some
>radical way so that the model inherently includes source information
>(I'll save that battle for OWL 2.0 :-). I simply want to make sure we
>have solutions that don't prevent people who need source information
>from doing what they want.

Jeff - wouldn't rdfs:IsDefinedBy [1] work?  - JH

[1] http://www.w3.org/TR/rdf-schema/#ch_isdefinedby
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, 19 September 2002 20:55:08 UTC

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