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rdf:Description and rdf:about not defined in RDF namespace document

From: Bernard Vatant <bernard.vatant@mondeca.com>
Date: Fri, 29 Nov 2013 15:25:43 +0100
Message-ID: <CAK4ZFVGOruJ4+EZ6VvA5p6mVrKof1ZCcUA6KfNL+4xq-PDigNA@mail.gmail.com>
To: Semantic Web <semantic-web@w3.org>
Hi all

Aside the debate of RDF namespace, I was looking at
http://www.w3.org/1999/02/22-rdf-syntax-ns document which is supposed to
define all elements in RDF namespace. But it does not define some of the
most used elements in this namespace : rdf:Description and rdf:about.
I was not aware of this, and it triggers two questions :
Why are not they defined is this document?
Where else are they defined?

The point is that if I dereference
http://www.w3.org/1999/02/22-rdf-syntax-ns#about it leads me to a document
where this URI is used but not defined.

Providing it's defined somewhere, would it be correct to say that rdf:about
is a datatype property with range xsd:anyURI?
Does the following triple holds?
<http://example.org/foo>  rdf:about  "http://example.org/foo"^^xsd:anyURI

Thanks for any clarification


*Bernard Vatant *
Vocabularies & Data Engineering
Tel :  + 33 (0)9 71 48 84 59
Skype : bernard.vatant
3 cité Nollez 75018 Paris, France
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Received on Friday, 29 November 2013 14:26:40 UTC

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