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Re: [ontolog-forum] Disaster Management ontology BOF in Delft

To: "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Bill Andersen <andersen@xxxxxxxxxxxxxxxxx>
Date: Fri, 8 Jun 2007 08:28:35 -0400
Message-id: <EBBA59AD-D7CE-4CE0-9AA8-24D95279C0F2@xxxxxxxxxxxxxxxxx>
Hi John...    (01)

On Jun 8, 2007, at 01:42 , John F. Sowa wrote:    (02)

> Those are two important points, but they don't exhaust all the
> options.  There are many cases where the ontologies happen to have
> some features that create inconsistencies, but with some revisions
> those inconsistencies could be eliminated by redefining some of
> the terms.  There are also many cases where the same thing is
> viewed at different levels of granularity or from different
> perspectives.  Any inconsistencies caused by such methods
> could also be eliminated, in principle.
>
> However, the job of eliminating every one of the inconsistencies
> that could arise could take an enormous amount of effort.  Instead
> of striving for a global consistency of everything, it might be
> better to adopt methods that don't require global consistency.    (03)

What I was more trying to get at was the notion of identity (or  
perhaps unity) for "ontologies".  In Sean's original note, he said  
something like "a single ontology cannot be used".  You just gave us  
a recipe for how to make (IMO) a single ontology from Sean's  
"inconsistent" pieces, via the use of reformulation of his pieces to  
make them consistent, or via use of some kind of paraconsistency.    (04)

That was what I was trying to get to in my original note  loose talk  
of "one single ontology for X can't ..." is usually based on equally  
loose understanding of the terms "ontology" and "can't".   Sorry I  
wasn't more explicit about this in my original note.    (05)

        .bill    (06)

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