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[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of Toby
Sent: Friday, June 27, 2008 10:57 AM
Cc: semanticweb@xxxxxxxxxxxxxxx; public-semweb-lifesci hcls;
Subject: Re: [ontolog-forum] The Open world assumption shoe does not
always fit - was: RE: Fwd: Ontolog invited speaker session - Dr. Mark Greaves
on the Halo Project - Thu 2008.06.19
had it right. NULL is neither true nor false.
most fundamental problem of constructing any kind of knowledge in a space as
large as the internet is heterogeneity. The most fundamental strength when
working with heterogeneity is knowing what you don't know.
I remember anything from my few years in biochemical research, decades ago, is
that the most important attribute of the alert researcher of complex systems is
to look for what is not identical in "identical" attribute sets that
do not yield identical results. Usually this goes back to re-examining the
attributes that everyone *knows* are unimportant or identical.
guess these are three parallel statements that I find Pat's last two letters
appealing and esthetically correct, and that I find his defense of
non-monotonic logic compelling
a new-comer in the semantic space, what is CL, where should I start to read on
"When one door closes, another opens; but we often look so long and so
regretfully upon the closed door that we do not see the one which has opened
for us." -- Alexander Graham Bell
Chair, OASIS oBIX TC http://www.oasis-open.org