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From: DuCharme, Bob (LNG-CHO) <bob.ducharme@lexisnexis.com>
Date: Mon, 21 Jun 2004 14:10:43 -0400
Message-ID: <FEF4858E8AB32D4EAC2CF2A7D85386EBE539D5@lnxdayexch06b.lexis-nexis.com>
To: "'www-rdf-interest@w3.org'" <www-rdf-interest@w3.org>
Adobe's specification for XMP [1] tells us that the rdf:about attribute may
be "an empty string ... which means that the XMP is physically local to
the resource being described." I've seen other uses of rdf:about="" being
used to indicate that the metadata shown describes the resource that
contains it. I suppose it's the most abbreviated relative URI possible. Is
it kosher? With or without xml:base being declared? Is this possibility
described at any document in  <http://www.w3.org/tr> www.w3.org/tr? I looked
around and didn't see anything. 
(I am aware that XMP uses its own, uhhh, "profile" of RDF, so it may be part
of that.)
[1] http://partners.adobe.com/asn/tech/xmp/pdf/xmpspecification.pdf
<http://partners.adobe.com/asn/tech/xmp/pdf/xmpspecification.pdf> , page 21
Received on Monday, 21 June 2004 14:11:14 UTC

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