- From: McBride, Brian <bwm@hplb.hpl.hp.com>
- Date: Fri, 21 Apr 2000 18:24:38 +0100
- To: RDF Interest Group <www-rdf-interest@w3.org>
OK, I understand about the ns processing. Thanks for the pointer to Ralphs comments. I came across this when I used SiRPAC to read the schema RDF as given in the spec. The spec provides a serialization of an RDF model for RDF Schema which produces the wrong model when fed into the RDF sevlet on the W3C site. Note that I made two changes to the original: one was the inclusion of the name space, the other was changing 'ID' to 'about' which I think is consistent with what Ralph is saying. Brian McBride HPLabs >-----Original Message----- >From: Dan Brickley [mailto:danbri@w3.org] >Sent: 21 April 2000 17:21 >To: McBride, Brian >Cc: RDF Interest Group >Subject: Re: Schema spec > > > > >On Fri, 21 Apr 2000, McBride, Brian wrote: > >> Appendix A of the schema spec gives an RDF serialization of >schema which >> begins: >> >> <rdf:RDF >> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" >> xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"> >> >> <rdfs:Class rdf:ID="Resource"> >> <rdfs:label xml:lang="en">Resource</rdfs:label> >> <rdfs:label xml:lang="fr">Ressource</rdfs:label> >> <rdfs:comment>The most general class</rdfs:comment> >> </rdfs:Class> >> >> Should the 4th line read: >> >> <rdfs:Class rdf:about="rdfs:Resource"> > > >I think this is really an RDF syntax question. RDF syntax doesn't >currently allow xml-namespace qualified names inside attributes. At the >time, there was a widespread desire to do so but an awareness that such >abbreviations would be invisible to other namespace aware processors, >which might set about re-writing namespace prefixes on element and >attribute names, breaking the linkage between 'rdfs:' and the >full URI if >we used qualified names in attribute content. Now we (nearly) have XML >Schema, it could be easier to express such usage in a fashion that >machines can be made aware of. > >The intention is that the construct we use represents an RDF model >equivalent to that which parsers would produce if encountering: > > <rdfs:Class >rdf:about="http://www.w3.org/2000/01/rdf-schema#Resource"> > >if the context was that the 'base URI' for the syntax parsing was >http://www.w3.org/2000/01/rdf-schema# > > >Ralph Swick has just posted some very detailed comments on >this in reply >to a submission to the rdf-comments list; it might be good to move >discussion of that to the RDF IG forum: > >http://lists.w3.org/Archives/Public/www-rdf-comments/2000AprJun /0014.html Dan
Received on Friday, 21 April 2000 13:24:47 UTC