Re: status of RDF, RDFS, and OWL ``namespace files''

At 00:56 03/01/2003 -0600, Dan Connolly wrote:

>On Thu, 2003-01-02 at 21:30, Peter F. Patel-Schneider wrote:
> > Hi:
> >
> > What is the status of
> >       http://www.w3.org/1999/02/22-rdf-syntax-ns
> >       http://www.w3.org/2000/01/rdf-schema
> > Are they normative parts of the RDF specifications?
>
>I believe the latter is a normative part of the RDFS
>spec; i.e. its contents are part of the tech report.

Yes.


>That's not the case for the former.
>
> >   I don't see how, because
> >
> > 1/ Neither of them are valid in the RDF Model Theory or the RDFS model 
> theory.
>
>No?
>What leads you to that conclusion?
>
>The model theory spec defines validity of inferences; what
>does it mean for a document to be valid? Oh... do you
>mean that they're not entailed by the empty graph?
>
>Good point; I think that's a bug, for RDFS; i.e. the
>rdfs:comment's and such need to be consistent in
>the 01/rdf-schema file and the text of the RDFS spec;

Danbri picked up on that.  The current drafts of both have the 
rdfs:comment's identical.

Brian

Received on Friday, 3 January 2003 05:02:40 UTC