From: Dan Connolly ([email protected])
Date: 05/15/01
Before today's discussion about daml:imports ...
and appropos of Pat's message to [email protected]
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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