John, (01)
SKOS is a controlled vocabulary language, not an ontology language. You know
the hazards of inferring a (stronger) subclass relation between two classes or
classification nodes than the (weaker) lexical relation of narrower-than. SKOS
was developed to address that, and it's a good thing. A conceptual class in an
ontology is not the same as a lexical classification node in a thesaurus. OWL
addresses ontologies; SKOS addresses vocabularies. The former are conceptual,
the latter are lexical. (02)
If you obscure the difference, it causes confusion and error. We should not do
this. (03)
Leo (04)
_____________________________________________
Dr. Leo Obrst The MITRE Corporation, Information Semantics
lobrst@xxxxxxxxx Information Discovery & Understanding, Command & Control
Center
Voice: 703-983-6770 7515 Colshire Drive, M/S H305
Fax: 703-983-1379 McLean, VA 22102-7508, USA (05)
(06)
-----Original Message-----
From: ontolog-forum-bounces@xxxxxxxxxxxxxxxx
[mailto:ontolog-forum-bounces@xxxxxxxxxxxxxxxx] On Behalf Of John F. Sowa
Sent: Friday, October 08, 2010 4:00 PM
To: ontolog-forum@xxxxxxxxxxxxxxxx
Subject: Re: [ontolog-forum] using SKOS for controlled values for controlled
vocabulary (07)
On 10/8/2010 10:42 AM, Ken Laskey wrote:
> I was surprised that the SKOS examples I found on the Web don't mention
> this. Am I missing something fundamental? (08)
SKOS is a small subset of OWL stated in a different notation. (09)
OWL is a small subset of first-order logic stated in a different notation. (010)
First-order logic is a small subset of English stated in a different
notation. (011)
If you can't state clearly in English exactly what you want to do,
none of those other notations will help you. (012)
John (013)
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