• From: "G. Ken Holman" <gkholman@C...>
• To: "xml-dev" <xml-dev@l...>
• Date: Sun, 09 May 2010 15:24:04 -0400

At 2010-05-08 21:07 +0000, stephengreenubl@g... wrote:
>Like you say though, we need to cater for fine grained contexts.
>Maybe CAM is useful in this case.
>Also Schematron.

Well, now I think you are getting away from your initial premise, 
which I understood to be divining meaning from interpreting 
ontological relationships to schema constructs.

>They allow, I think, contexts beyond even parent
>/ child. The context could be any
>Xpath.
>A table with one column as an
>XPath and another as an RDFXML fragment which refers, say to a
>RDF or OWL ontology might do it.

Hmmmmmm ... interesting.

>Just inserting RDF into XSD might
>only suffice for when the context is simple.
>
>Context association files?

I think not ... OASIS Context/Value Association (CVA) files[1] 
associate document contexts with value constraints, where the value 
constraints are expressed either as XPath expressions or values from 
genericode files.  It isn't clear to me how they would help.

. . . . . . . . . . . Ken

[1] CVA files are now an OASIS Committee Specification ... 
documentation and schemas are linked from the namespace RDDL document:

   http://docs.oasis-open.org/codelist/ns/ContextValueAssociation/1.0/


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  • RE: 'is-a' Relationships in XML?
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