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rdf:XMLLiteral and the RDF namespace

From: Hondros, Constantine <Constantine.Hondros@wolterskluwer.com>
Date: Wed, 28 Apr 2010 17:07:40 +0200
To: "public-rdfa@w3.org" <public-rdfa@w3.org>
Message-ID: <6C01B6D23EB50A4487054D57249A0B0109E6644749@EUSRVWK01005.eu.wkeurope.com>
While debugging my RDFa extractor implementation, I found that if the source XHTML document does not contain a definition of the RDF namespace, I can't process XML literals which are explicitly typed using @datatype="rdf:XMLLiteral".

In a nutshell, since @datatype is defined as a CURIE, the attribute value "rdf:XMLLiteral" should be resolved to:


... however it can only do this if the rdf prefix is properly defined in the XHTML document.

It seems to me that either:

1) the RDF prefix and namespace should be obligatory if the datatype rdf:XMLLiteral is used
2) RDFa parsers should interpret "rdf:XMLLiteral" literally. (And I guess it should not be possible to reuse the "rdf" prefix to define an arbitrary namespace)

Thoughts anyone?


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Received on Wednesday, 28 April 2010 15:08:15 UTC

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