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Re: RDF schema of OWL

From: Guus Schreiber <schreiber@cs.vu.nl>
Date: Thu, 27 Nov 2003 13:04:43 +0100
Message-ID: <3FC5E85B.80107@cs.vu.nl>
To: Jeremy Carroll <jjc@hpl.hp.com>, Dan Connolly <connolly@w3.org>
Cc: www-webont-wg@w3.org, "Peter F. Patel-Schneider" <pfps@research.bell-labs.com>

Jeremy Carroll wrote:
> 
>>This incorporates a suggestion from Dave Beckett [1] to change 
>>rdfs:seeAlso to rdfs:isDefinedBy. I remember some problems with the 
>>latter option, but cannot recollect the details. Any thoughts?
> 
> 
> I remember Peter being very against isDefinedBy when the social meaning 
> question was still up in the air (I suppose it still is, but not quite as 
> high up)
> 
> I am not sure whether the WG home page defines anything very much ... seeAlso 
> seems less committed. Personally I guess I see the terms as defined by S&AS, 
> and would feel more comfortable with the isDefinedBy if it pointed to that 
> (not sure whether it should be the dated or undated version though).
> 
> Jeremy
> 

Dan Connolly wrote:
> On Mon, 2003-11-17 at 23:22, Guus Schreiber wrote:
> [...]
> 
>>> Rationale:
>>> - pointer to WG home page should be sufficient
> 
> 
> 
> no, the Working Group is a temporary phenomenon; the ontology
> is defined by the specs, which last much longer. They
> might be maintained by a different working group in the
> future.
> 
> I think it's important to cite the dated normative specs,
> and useful to point to the latest version of
> the informative specs.
> 

Given the comments by Jeremy and Dan, I have updated the header of the 
RDF schema for OWL in the following way:

[[
<Ontology rdf:about="">
   <imports rdf:resource="http://www.w3.org/2000/01/rdf-schema"/>
   <rdfs:isDefinedBy 
rdf:resource="http://www.w3.org/TR/2003/PR-owl-semantics-20031209/" />
   <rdfs:isDefinedBy 
rdf:resource="http://www.w3.org/TR/2003/PR-owl-test-20031209/" />
   <rdfs:isDefinedBy 
rdf:resource="http://www.w3.org/TR/2003/PR-owl-features-20031209/" />
   <rdfs:comment>This file specifies in RDF Schema format the
]]

So, the schema links to the dated versions of the two normative 
documents and the informative overview document.

I can live with changing "isDefinedBy" to "seeAlso", if there are 
objections (Peter?).

As I cannot access the DAML site, the draft PR version of the full 
schema can be found at

   http://www.cs.vu.nl/~guus/public/owl.rdf

Guus




-- 
Free University Amsterdam, Computer Science
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Tel: +31 20 444 7739/7718
E-mail: schreiber@cs.vu.nl
Home page: http://www.cs.vu.nl/~guus/
Received on Thursday, 27 November 2003 07:04:57 GMT

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