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"Well, as it says on the page you cite, the WS-I requires a WSDL. IBM, Microsoft, BEA, SAP, Oracle, Sun and Intel all require a WSDL, as does OASIS. So yechnically you don't need a WSDL - unless you plan to conform to industry standards. Honestly, I don't c..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-l/200807/msg01279.html>