RDF (was Re: Colonialism, SAX, Java, and Namespaces)

[Paul Prescod]

James Robertson wrote:
> 
> So I'll restate the question:
> 
> * I write an RDF document by hand.
> * I receive an RDF document from someone else.
> 
> How do I know it makes sense? How do I know the right
> RDF tags have been used, and in a meaningful way?
> 
> In otherwords, since an RDF document doesn't have a DTD
> (since it uses namespaces), how do I check it's right?

Well you are wrong that an RDF document can't have a DTD. It can. 

But then you are checking the XML-validity of the document, not the
RDF-validity. If the question is how to check an arbitrary RDF that using
a particular RDF-described "vocabulary" in the same way that you can check
HTML using the HTML DTD, you check the RDF document against its RDF
schema.
-- 
 Paul Prescod  - ISOGEN Consulting Engineer speaking for only himself
 http://itrc.uwaterloo.ca/~papresco

"Remember, Ginger Rogers did everything that Fred Astaire did,
but she did it backwards and in high heels."
                                               --Faith Whittlesey

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