- From: Tim Berners-Lee <timbl@w3.org>
- Date: Wed, 4 Jun 2008 09:30:41 -0400
- To: Earle Martin <earle@downlode.org>
- Cc: "Semantic Web" <semantic-web@w3.org>
Earle, There is no difference at all. They are just the same triples. Tim On 2008-06 -04, at 01:22, Earle Martin wrote: > Hello all, > > While looking through the Geonames project's ontology > (http://www.geonames.org/ontology/ontology_v2.0_Lite.rdf), I noticed > that they define things in the following fashion: > > <owl:Class rdf:about="#Class"> > > In ontologies I've put together, I've tended to use formulations along > the lines of: > > <owl:Class rdf:ID="Class"> > > I can see the difference as being that, when written in an ontology > available as http://example.com/ont, both say "here we assign > properties to a URI", but only the latter version says "and this is > it", providing a sort of physical presence as an identified fragment > within the document. > > Is the former approach a better route to take? It feels less > restrictive in some fashion. Or is there not really an appreciable > difference? I suppose that with the open world assumption in effect, > it's not as if either approach has any bearing on external resources > making statements about my URIs, either. > > Cheers, > > Earle. > > -- > قبائلَ صوتي – على صمتها > Earle Martin | http://downlode.org/
Received on Wednesday, 4 June 2008 13:31:17 UTC