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RE: Short briefing/background doc't regarding RDFa, prefixes and HTML

From: <Misha.Wolf@thomsonreuters.com>
Date: Thu, 3 Feb 2011 09:49:43 +0000
To: <ht@inf.ed.ac.uk>, <www-tag@w3.org>
Message-ID: <A29ADE959C70A1449470AA9A212F5D801258A5B5@LONSMSXM06.emea.ime.reuters.com>
A reminder that the IPTC and its member News Agencies are using very 
widely the IPTC's alternative to CURIEs and QNames, called QCodes.
The differences between CURIEs and QCodes are:

-  The QCode spec requires that the URI corresponding to the alias 
   is a valid URI.  The CURIE spec, IIRC, does not.

-  The QCode spec explicitly allows the right-hand side not to be a 
   legal XML Name.  I don't know what the CURIE spec says about this.

-  While the creators of RDFa stated that the current mechanism for 
   alias definition is to be considered simply one of a set of 
   possible mechanisms, I think that it is currently the only 
   specified mechanism.  We (the IPTC) rejected that mechanism as 
   too verbose and created, instead, our catalog.

Misha Wolf
Standards Manager, Metadata Group, Thomson Reuters 

-----Original Message-----
From: www-tag-request@w3.org [mailto:www-tag-request@w3.org] On Behalf
Of Henry S. Thompson
Sent: 03 February 2011 09:35
To: www-tag@w3.org
Subject: Short briefing/background doc't regarding RDFa, prefixes and

Hash: SHA1

I've prepared a short introduction [1] to this issue in preparation
for possible discussion at the upcoming TAG f2f.  Comments welcome.


[1] http://www.w3.org/2001/tag/doc/RDFa_HTML_prefix_issue.html
- -- 
       Henry S. Thompson, School of Informatics, University of Edinburgh
      10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131
                Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
                       URL: http://www.ltg.ed.ac.uk/~ht/
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