Re: rdf:datatype semantics

Neil Stansbury wrote:
> Semantically, what is the difference between the two dc:Source 
> properties below?
> 
> I know one is a literal and the other a resource, I'm just wondering if 
> there would be any reason to not treat the literal as if it were a 
> resource.
> 
> 
> <?xml version="1.0"?>
> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" 
> xmlns:dc="http://purl.org/dc/elements/1.1/">
> 
> <rdf:Description rdf:about="urn:a">
>   <dc:Source rdf:resource="urn:b"/>
>   <dc:Source 
> rdf:datatype="http://www.w3.org/TR/xmlschema-2/#anyURI">urn:b</dc:Source>
> </rdf:Description>
>     
> </rdf:RDF>
> 

Sematically, the first is a arc with a resource target, the second one 
is an arc with a typed literal target,
http://www.w3.org/TR/rdf-syntax-grammar/#section-Syntax-datatyped-literals.

Note that mozilla doesn't supports neither rdf:datatype nor typed literals.

Axel