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Re: [ontology-summit] [Fwd: Re: Progressing a Units Ontology -virtual se

To: Ontology Summit 2009 <ontology-summit@xxxxxxxxxxxxxxxx>
Cc: martin.hepp@xxxxxxxxxxxxxxxxxxx
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Wed, 08 Jul 2009 07:28:59 -0400
Message-id: <4A5482FB.8010304@xxxxxxxxxxx>
Kevin,    (01)

There may be some people who agree with you:    (02)

KDK> Is it just me who thinks that looks a whole lot better,
 > as a target?    (03)

But the URIs as used in the Semantic Web have many serious
problems for designating standards:    (04)

  1. There is no way to tell when or why whatever information
     contained in a document designated by a URI might change.    (05)

  2. There is no way to specify what is specified by a URI:
     The document itself?  Some information in the document?
     What information in the document?  Why?  How?  By whom?    (06)

Standards organizations such as ISO have considered and
addressed these issues over long periods of time.  Their
universal identifiers are reliable, even though (or perhaps
because) they have been using old-fashioned paper documents
to specify them.    (07)

John    (08)





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