- From: Jeen Broekstra <jbroeks@cs.vu.nl>
- Date: Wed, 4 Oct 2000 15:49:54 +0200 (CEST)
- To: Graham Klyne <GK@Dial.pipex.com>
- cc: Ian Horrocks <horrocks@cs.man.ac.uk>, rdf interest <www-rdf-interest@w3.org>
On Wed, 4 Oct 2000, Graham Klyne wrote: [snip] > I'm currently digesting your OIL-in-RDFS paper ("Adding formal > semantics to the Web" -- sorry, have lost URL) , which looks > very interesting. Can't resist the plugging opportunity ;) http://www.ontoknowledge.org/oil/papers/extending-rdfs.html http://www.ontoknowledge.org/oil/extending-rdfs.pdf > Unless I'm wrong again (quite likely), I note that conjunctive > semantics for domain would mess up your proposed definition for > <oil:hasOperand>, but I guess that's easy to fix. You're right, however this should be reasonably easy to fix by either simply making the domain #ClassExpression (which would, admittedly, make the intended restriction somewhat weak), or by introducing a BooleanClassExpression placeholder. > PS: I think the paper has a typo in Figure 4: I think the > second "class-def plant" should be "class-def branch". You're right again. Thanks for pointing that out. Regards, Jeen -- Vrije Universiteit, Faculty of Sciences Jeen Broekstra Division of Mathematics & Computer Science jbroeks@cs.vu.nl de Boelelaan 1081a http://www.cs.vu.nl/~jbroeks 1081 HV Amsterdam, the Netherlands
Received on Wednesday, 4 October 2000 09:49:59 UTC