- From: Jeremy Carroll <jeremy@topquadrant.com>
- Date: Mon, 18 May 2009 09:40:16 -0700
- To: "'Michael Schneider'" <schneid@fzi.de>
- Cc: <public-owl-comments@w3.org>
Thank you - we are happy with this response Jeremy > -----Original Message----- > From: Michael Schneider [mailto:schneid@fzi.de] > Sent: Monday, May 18, 2009 5:02 AM > To: jeremy@topquadrant.com > Cc: public-owl-comments@w3.org > Subject: [LC response] To Jeremy Carroll Re: new comment: reification > vocab > > Dear Jeremy, > > Thank you for your comment > <http://lists.w3.org/Archives/Public/public-owl- > comments/2009May/0016.html> > on the OWL 2 Web Ontology Language last call drafts. > > The Working Group is unwilling to use the RDF reification vocabulary > because of the uncertainty of the intended meaning of RDF reification > and the resulting strong negative views concerning its use. > > The Working Group also feels that owl:subject, owl:predicate, and > owl:object > serve a different purpose than rdf:subject, rdf:predicate, and > rdf:object. > The terms are part of a new annotation framework in OWL 2, and the > purpose > of the terms is to provide a technical means for annotating certain > kinds > of OWL 2 axioms and other annotations in OWL 2. The usage of these > terms > is intended to be restricted to annotation tasks in OWL 2, only. Note > also > that the scope of an annotation in OWL 2 is an OWL 2 axiom or > OWL 2 annotation, which will often be encoded by more than one RDF > triple. > > Nevertheless, the Working Group acknowledges that the currently used > terms > "owl:subject", "rdf:predicate", and "rdf:object" can easily be confused > with > the terms of the RDF reification vocabulary. The Working Group will > therefore change the names of the terms in the following way: > > owl:subject --> owl:annotatedSource > owl:predicate --> owl:annotatedProperty > owl:object --> owl:annotatedTarget > > The Working Group believes that this change will clarify the intended > restricted usage of the terms and will also help to avoid confusion > with > the RDF reification vocabulary. > > The Working Group considers this renaming of the terms to be a means > to improve the clarity of the specification, and does not consider it > as a change to the current design of OWL 2. > > Please acknowledge receipt of this email to > <mailto:public-owl-comments@w3.org> (replying to this email should > suffice). In your acknowledgment please let us know whether or not > you are satisfied with the working group's response to your comment. > > Regards, > Peter F. Patel-Schneider and Michael Schneider > on behalf of the W3C OWL Working Group
Received on Monday, 18 May 2009 16:41:00 UTC