From: Dan Connolly (connolly@w3.org)
Date: 05/15/01
Before today's discussion about daml:imports ... and appropos of Pat's message to www-rdf-logic@w3.org of Tue, 15 May 2001 10:44:11 -0500 about what ontologists want, and quoting issues... A while ago, I tried to translate RDF to KIF[1]... I ran into a pile of interesting use/mention issues. They can sorta be summarized by asking: Is the subject of the sentence "Mary hit the ball" a word that starts with 'M' or a probably-female person? i.e. is the rdf:subject of a statement a URI or a resource? At that time (Aug 2000) I decided that the rdf:subject of an rdf:Statement was a URI (ala: the subject is a person). Then I ran into TimBL's cwm design, where he was moving terms in and out of "contexts". It didn't make sense in this world-view, but flipping to the other view, it does make sense. So I'm now working under the impression that the rdf:subject of an rdf:Statement is a resource. So now sw:says and sw:entails can be related without resorting to wtr... oops; crud; can't work out the details just now... time for the teleconference... [1] KIF as an RDF Schema (in progress Aug 2000) http://www.w3.org/2000/07/hs78/KIF -- Dan Connolly, W3C http://www.w3.org/People/Connolly/
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