- From: Jeremy Carroll <jjc@hpl.hp.com>
- Date: Thu, 22 Nov 2007 10:47:32 +0000
- To: Giorgos Stoilos <gstoil@image.ece.ntua.gr>
- CC: "'Boris Motik'" <boris.motik@comlab.ox.ac.uk>, "'OWL Working Group WG'" <public-owl-wg@w3.org>
Giorgos Stoilos wrote: > Hi, > > As far as I understand annotations are already pretty weak semantically in > OWL 1.1 (actually they have no semantics), thus mapping them into a > structure with weak semantics, like reification, seems harmless to me. > There is harm concerning: a) backward compatibility ISSUE-72 and b) OWL Full/OWL DL semantic compatibility ISSUE-63 === OWL 1.0 Full treats annotations on entities in the same way as other properties. It is likely to be very confusing if OWL 1.1 has annotations on axioms with different semantics from annotations on entities. Thus, in OWL Full, annotations on axioms should have the semantics of other properties. Building such a semantics on top of reification is known not to work. Jeremy
Received on Thursday, 22 November 2007 10:47:56 UTC