[open-bibliography] New BNB sample data available

Tue Feb 8 17:47:06 UTC 2011

Simon,

We appear to be using the term "extension" in different ways. I assumed
you meant it in the OWL sense:

"Classes provide an abstraction mechanism for grouping resources with
similar characteristics. Like RDF classes, every OWL class is associated
with a set of individuals, called the class extension."

http://www.w3.org/TR/owl-ref/#Class

Do you have a reference I could check out for how the term is used
differently in KOS systems to indicate a set of documents instead?

Jeff

From: sesuncedu at gmail.com [mailto:sesuncedu at gmail.com] On Behalf Of
Simon Spero
Sent: Tuesday, February 08, 2011 12:30 PM
To: Young,Jeff (OR)
Cc: Karen Coyle; open-bibliography at lists.okfn.org; public-lld
Subject: Re: New BNB sample data available

On Tue, Feb 8, 2011 at 11:39 AM, Young,Jeff (OR) <jyoung at oclc.org>
wrote:

	Simon,

	I'm confused by your statement "the Concepts have the same
extension".

The extension of a KOS Concept is the set of all documents that the
Concept is about. 

Simon

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