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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Can RDDL and RDF coexist?
 [Roger L. Costello] It is my understanding that all properties (e.g., Creator) must be namespace-qualified. Further, the RDF Syntax spec requires that the properties namespace must not only be a label, but, in fact, must be a valid URL to an RDF Schema document (which defines what the property means, thus enabling dynamic understanding of a property). That's my understanding. Is it an incorrect understanding? /Roger [Tom P] Perhaps you are referring to this statement in the draft revised xml syntax Rec (section 6): "It is not possible to use the RDF/XML serialization for serializing an RDF graph in which any triple has a property label which cannot be expressed as a XML namespace-qualified name (QName)." This is simply because you need to use a QName when you use an element to represent a property (since element names must be QNames). As long as the concatenation of the prefix and the localname is identical to the actual uri reference for the property, you can use any namespace/localname combination, so the namespace you decide to use so you can have a prefix is just a convenience. (I think this was a horrible design decision, but so far we are stuck with it). This does not even say that properties have to be namespace qualified except insofar as you want to use them in an xml serialization. It doesn't require the namespace to point to anything specific. If you think there is such a requirement, please give its reference so the rest of us can look it up Cheers, Tom P 
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