- From: Ivan Herman <ivan@w3.org>
- Date: Wed, 28 May 2008 06:03:40 +0200
- To: Alan Ruttenberg <alanruttenberg@gmail.com>
- Cc: OWL Working Group WG <public-owl-wg@w3.org>
- Message-ID: <483CD99C.9000304@w3.org>
Alan Ruttenberg wrote: > > On May 27, 2008, at 11:47 PM, Ivan Herman wrote: > >> Wouldn't that affect backward compatibility? What would happen to >> existing OWL1 ontologies serialized in RDF? > > The reverse mapping would have to be such that the rdf:list vocabulary > was mapped to the new vocabulary for OWL 1 ontologies. I am not sure I understand. If a system sees an OWL ontology in RDF/XML or Turtle, how does it know whether an rdf:List is part of the syntax (a la OWL1) or part of the normal set of terms as you propose? Ivan > The question would be whether there were any ontologies that could > ambiguously be valid OWL 2 ontologies that used the rdf:list vocabulary > in axioms and at the same time be owl 1 ontologies that used the list > vocabulary as syntax. > > -Alan > >> >> Ivan >> >> Alan Ruttenberg wrote: >>> I'm wondering whether we should consider removing our reliance on >>> rdf:list vocabulary for the serialization of OWL and instead make it >>> available for modeling in OWL. This would enable a class of RDF that >>> is currently inaccessible for reasoning in OWL to be productively >>> used. The downside is that we lose some the (relative) conciseness of >>> using rdf:parsetype=collection in our RDF serializations. >>> Given the choice of making the RDF more compact, versus making more >>> native RDF possible to reason over using OWL, I think I'd lean to the >>> latter. After all, we will have the OWL XML syntax if length of >>> serialization is our primary concern. >>> Thoughts? >>> -Alan >> >> -- >> >> Ivan Herman, W3C Semantic Web Activity Lead >> Home: http://www.w3.org/People/Ivan/ >> PGP Key: http://www.ivan-herman.net/pgpkey.html >> FOAF: http://www.ivan-herman.net/foaf.rdf > -- Ivan Herman, W3C Semantic Web Activity Lead Home: http://www.w3.org/People/Ivan/ PGP Key: http://www.ivan-herman.net/pgpkey.html FOAF: http://www.ivan-herman.net/foaf.rdf
Received on Wednesday, 28 May 2008 04:04:09 UTC