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Re: range of rdf:predicate

From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
Date: Fri, 31 Oct 2003 10:50:16 -0500 (EST)
Message-Id: <20031031.105016.43926202.pfps@research.bell-labs.com>
To: phayes@ihmc.us
Cc: www-webont-wg@w3.org

From: pat hayes <phayes@ihmc.us>
Subject: range of rdf:predicate
Date: Fri, 31 Oct 2003 09:46:16 -0600

> 
> Folks: I am instructed to obtain feedback from y'all on a 
> technicality concerning the RDF reification vocabulary: should the 
> rdfs:range of rdf:predicate be rdf:Property or rdfs:Resource? The 
> stronger constraint seems more intuitively rational, but some of us 
> have a memory of the stronger constraint possibly causing problems 
> for OWL. We would like to know if this is true; that is:
> 
> If RDF requires that
> 
> rdf:predicate rdfs:range rdf:Property  .
> 
> will this negatively impact the OWL specs? 

Yes.   It would require that rdf:predicate be forbidden in OWL DL.

> If we obtain no answer or 
> if the answer is 'no' then we will probably make all our documents 
> conform to this.
> 
> Thanks for your prompt attention to this small matter.
> 
> Pat

peter
Received on Friday, 31 October 2003 10:52:51 GMT

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