- From: Steve Harris <S.W.Harris@ecs.soton.ac.uk>
- Date: Thu, 6 May 2004 22:35:15 +0100
- To: public-rdf-dawg@w3.org
On Thu, May 06, 2004 at 08:15:06 +0100, Seaborne, Andy wrote: > > Isn't that a question of what inference your RDFS engine supports? > > > > If you do RDFS then (?x <rdfs:subclassOf> ?y) will give you > > all the superclasses of ?y in ?x. > > Agreed, it does - but sometimes the application wants to find direct > subclass relationships and sometimes all the transitive entailments. e.g. > writing an editor. It is possible to want the both the direct relationship > in one part of the query pattern and yet want RDFS inference elsewhere in > the same query. Yes, I've had some feature requests for non-infered triple patterns (so only matching ground facts). Not for on-the-fly transitive closure, but I can see why it could be useful. - Steve
Received on Thursday, 6 May 2004 17:35:18 UTC