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Roger L. Costello wrote:

> But the following technologies have been created to only utilize one of them
> (XML Schemas):
> 
> a. XSLT 
> b. XPath 
> c. XQuery 
> d. SOAP
> e. WSDL

WSDL 2.0 goes to some lengths to abstract the type system employed - you 
can theoretically describe the messages exchanged in RelaxNG, DTD and i 
guess even RDF as well as W3C schema.

The language itself is described in terms of a component model and an 
infoset. Whilst it provides a normative W3C 1.0 schema for XML 1.0 WSDL 
2.0 documents, it should be simple to define mappings from XML 1.1 and 
other serialisations into the component model.

Of course all of this high altitude abstraction didn't impress Rich Salz 
none judging from his recent xml.com article ..

Paul (WSD WG member)

--
Paul Downey
http://blog.whatfettle.com


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