time-varying properties

Given the triples
(1)    John  height  60
(2)    John  height  70
can RDF say that (2) replaces (1) -- as opposed to 
both (2) and (1) being true?

Can OWL say that (2) replaces (1)?

Dick McCullough
knowledge := man do identify od existent done;
knowledge haspart proposition list;

Received on Wednesday, 25 June 2003 10:15:36 UTC