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Re: [ontolog-forum] Curation view of Ontologies

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Mon, 23 Jun 2008 22:30:11 -0400
Message-id: <48605C33.6060005@xxxxxxxxxxx>
Pat,    (01)

I agree with your comments about Ranganathan's system and the ones
in the web page you cited:    (02)

http://iainstitute.org/pg/a_simplified_model_for_facet_analysis.php    (03)

PH> It also comes with a huge and rather idiosyncratic apparatus
 > of 'canons' and 'postulates' to explain how to use it and 'planes'
 > and 'rounds' to explain its structure, and it appeals to some
 > strange analogies, such as counting both furniture design and
 > neurophysiology as kinds of 'personality'.    (04)

The good points about Ranganathan's system are its broad coverage
and its support for multiple inheritance.  For a system that was
developed in the period from the 1930s to the 1950s, it is quite
impressive.  In fact, many of its features still compare favorably
to some more recent proposals, such as the woefully inadequate
single-inheritance systems.    (05)

My recommendation, as I have said before, is to adopt Common Logic,
which has a structure that is both simpler and more powerful than
R's notation.  I would treat R's system as an example that is worth
studying rather than one that we should adopt as is.    (06)

John    (07)

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