- From: Ignazio Palmisano <ignazio.palmisano@gmail.com>
- Date: Thu, 10 Jul 2008 14:20:48 +0100
- To: Semantic Web at W3C <semantic-web@w3.org>
Richard H. McCullough wrote: > > I'd like to modify the focus of "deprecated URIs" a little bit, > and summarize some of the discussion on this list in 2003 time frame. > > First topic: SubClassOf vs. properSubClassOf. > By definition, X SubClassOf Y has two possible meanings. > 1) X sameAs Y > 2) X properSubClassOf Y > Although meaning (1) may seem to have nice mathematical properties, > I think it's harmful to always have to "dispose" of that possibility when > reasoning about classes. Why use sameAs in this context? It is more appropriate to use owl:equivalentClass, whose function is exactly that (at least in my reading of http://www.w3.org/TR/2004/REC-owl-features-20040210/#equivalentClass). I.
Received on Thursday, 10 July 2008 13:21:28 UTC