[Person-ontology] OWL for exchanging ontologies

[ajit kapoor]

Thanks Pat,

Good insight and clarification.
But are we not talking about Upper ontology here whose purpose is limited 
and at the coarse grain level?
ajit
----- Original Message ----- 
From: "Pat Hayes" <phayes at ihmc.us>
To: "Schoening, James R Mr CIV USA AMC" <James.Schoening at us.Army.Mil>
Cc: <person-ontology at idcommons.net>
Sent: Monday, October 22, 2007 11:09 PM
Subject: Re: [Person-ontology] OWL for exchanging ontologies


> >Paul,
>>
>> There is a broad misconception that OWL was meant to be a
>>standard language for developing ontologies.  Rather, it was meant more
>>for exchanging them.  So, Higgins could use a more-expressive language
>>for development, for internal inferencing, for exchange with compliant
>>associates, and then could tranlate down to OWL for exchange with
>>others.
>
> Well, yes, but only if it is POSSIBLE to translate down. OWL does
> have a strict semantics, and it may not be possible to translate down
> from a more expressive language to OWL while preserving the more
> expressive meaning using the OWL semantic conditions. For example, it
> isn't possible to do this for full first-order logic.
>
> Pat
>
>>
>> Here's a quote from Jim Hendler, who is a guru in this field:
>>
>>Jim Hendler:  "So, let me go back to OWL for a second, see I have a very
>>different view of OWL than some people, which may sound funny to some
>>people. I don't view OWL as an ontology language per se or as a very
>>good KR language. OWL is a language for exchanging ontologies much more
>>than a specific language; so if I'm dong my own application, I view OWL
>>as the way I export and import knowledge from other people, I don't view
>>it as the only thing I'm allowed to use on the whole world for
>>knowledge.
>>
>>The full panel transcript is at:
>>
>>http://ontolog.cim3.net/cgi-bin/wiki.pl?ConferenceCall_2005_08_11/Sessio
>>nTranscript
>>
>>Jim Schoening
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>
>
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