- From: Peter F. Patel-Schneider <pfps@research.bell-labs.com>
- Date: Mon, 05 Mar 2001 10:23:30 -0500
- To: siglun@gungner.lub.lu.se
- Cc: timbl@w3.org, Peter.Crowther@melandra.com, phayes@ai.uwf.edu, www-rdf-logic@w3.org
Sorry I should have made my comments more precise. However, I think that my point still stands. There is no statement in RDFS that subClassOf is < (strict subset) and not <= (non-strict subset). In the absence of such a statement, I think that the reading for subClassOf should be taken to be permissive. It turns out, of course, that RDF and RDFS have no means of creating two classes that are equivalent, aside from subClassOf cycles, so, perhaps, the prohibition on cycles could be inferred to mean strict subset. However, this is, in my opinion, ``reading between the lines'', and any clarification would be a change. Peter Patel-Schneider
Received on Monday, 5 March 2001 10:24:08 UTC