Re: Comment on POWDER WDR, 2008-06-30: usage of nodeId

Ouch. Next time I should check the mailing list before using up too much 
silicon. This and my following mail refers to the same error already 
reported by KANZAKI Masahide in

http://lists.w3.org/Archives/Public/public-powderwg/2008Jul/0001.html

:-(

Cheers

Ivan

Ivan Herman wrote:
> Comment on http://www.w3.org/TR/2008/WD-powder-dr-20080630/
> 
> This may be a bug in the GRDDL or simply in the document. The same error 
> is present in almost all POWDER-S examples. I refer here to Example 2-3.
> 
> rdf:resource and rdf:about refer to RDF URI reference according to the 
> RDF/XML syntax[1], whereas nodeID does not[2]. As a consequence, a node 
> identified via nodeID as a blank node cannot be referred to by 
> rdf:resource or rdf:about; instead, rdf:nodeID should be repeated.
> 
> In the case of the example, this means that
> 
> - in line 41: rdf:about="#iriset_1" should be replaced by 
> rdf:nodeID="iriset_1"
> - in line 42: rdf:resource="#descriptorset_1" should be replaced by 
> rdf:nodeID="descriptorset_1"
> 
> As I said, the same error repeats itself in a number of other POWDER-S 
> examples in the document.
> 
> Cheers
> 
> Ivan
> 
> 
> [1] http://www.w3.org/TR/rdf-syntax-grammar
> [2] http://www.w3.org/TR/rdf-syntax-grammar/#section-Syntax-blank-nodes
> 

-- 

Ivan Herman, W3C Semantic Web Activity Lead
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