W3C home > Mailing lists > Public > www-rdf-interest@w3.org > June 2004

Re: rdf:about=""?

From: Benja Fallenstein <b.fallenstein@gmx.de>
Date: Mon, 21 Jun 2004 20:21:12 +0200
Message-ID: <40D72718.4090103@gmx.de>
To: "DuCharme, Bob (LNG-CHO)" <bob.ducharme@lexisnexis.com>
Cc: "'www-rdf-interest@w3.org'" <www-rdf-interest@w3.org>

Hash: SHA1

The empty URI reference refers to the base URI. What the base URI is
depends on the document context (simplified algorithm: xml:base if
available, otherwise network location of the document containing the

It's not in w3.org/tr, it's in the RFC that defines URIs, which I'm too
lazy to dig up, Google is your friend ;-)

- - Benja

DuCharme, Bob (LNG-CHO) wrote:
| 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
| 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.)
| thanks,
| Bob
| [1] http://partners.adobe.com/asn/tech/xmp/pdf/xmpspecification.pdf
| <http://partners.adobe.com/asn/tech/xmp/pdf/xmpspecification.pdf> ,
page 21

Version: GnuPG v1.2.4 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

Received on Monday, 21 June 2004 14:21:31 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 7 January 2015 15:07:51 UTC