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   RE: [xml-dev] Can XML Schema be compiled to Schematron?

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I haven't dug deeply into this abstract schema model. But a cursory look looks like it is just an object model for XML Schema. It's does not look very generic to me. The W3C could learn a lot from the work that has happened in the RELAX and RELAX NG communities. Also, Schematron is not grammar-based, so you could not just do a straightforward mapping of an XML Schema grammar into Schematron. You would have to infer XPath patterns from the structure in the grammar since Schematron is pattern-based.
A far more interesting abstract schema model is in Sun's Multi-Schema Validator library. Check out http://www.sun.com/xml.
-----Original Message-----
From: Naren Chawla [mailto:naren@ipedo.com]
Sent: Wednesday, January 23, 2002 5:37 PM
To: Doug Ransom; Xml-Dev@Lists. Xml. Org (E-mail)
Subject: RE: [xml-dev] Can XML Schema be compiled to Schematron?

I suspect once there is full support for DOM Level3 Abstract Schema in Xerces Java 2, this may not be difficult. Once we create a Abstract Object Model for XML Schema, we can spit out Schematron-compliant schema.
-----Original Message-----
From: Doug Ransom [mailto:Doug.Ransom@pwrm.com]
Sent: Wednesday, January 23, 2002 5:06 PM
To: Xml-Dev@Lists. Xml. Org (E-mail)
Subject: [xml-dev] Can XML Schema be compiled to Schematron?

I have been thinking that it would be an interesting exercise to implement a compiler that transforms XML Schema into Schematron (probably in XSLT). 
Is there any reason why this will not work?

Doug Ransom
Internet Technologies Domain Lead
Power Measurement http://www.pwrm.com



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