- From: Matthew Pocock <matthew.pocock@ncl.ac.uk>
- Date: Wed, 18 Apr 2007 10:41:22 +0100
- To: Jeremy Carroll <jjc@hpl.hp.com>
- Cc: Boris Motik <bmotik@cs.man.ac.uk>, "'Alan Ruttenberg'" <alanruttenberg@gmail.com>, public-owl-dev@w3.org, "'chris mungall'" <cjm@fruitfly.org>
If you represent this in the RDF by reifying it, then presumably we would have a URI for the axiom, or at least of the reified version of it? Matthew > Boris Motik wrote: > > Hello, > > > > I completely that it isn't pretty; however, the problem is that RDF does > > not allow you to express ternary relations. In the case of the axiom > > > > SubClassOf(Annotation(ap "bla") c1 c2) > > > > you actually have a ternary relationship: the participants are the > > annotation, c1, and c2. Since axioms can have more than one annotation, > > you actually need a way to represent relationships of arbitrary arity. > > The only way that I know of for encoding this into RDF is to reify the > > relationship. > > > > Sincerely yours, > > > > Boris
Received on Wednesday, 18 April 2007 09:41:39 UTC