• To: xml-dev@l..., "Steve Betten" <foomanji@h...>
• Subject: Re: Software to generate all valid XML instances from a XML schema
• From: "Robert C. Lyons" <boblyons@u...>
• Date: Sun, 25 Apr 2004 15:39:22 -0400
• User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031007

Steve Betten wrote:
 > Is there any software that can generate all valid XML instances from a
 > specified XML schema?

Steve,

If your XML schema uses <key> and <keyref> elements, then I doubt that 
you'll find a software package that will generate XML instances that 
conform to the schema. In the general case, this problem is undecidable. 
For more info, please see:

 http://www.idealliance.org/papers/extreme03/html/2003/Lyons01/EML2003Lyons01.html

Best regards,

Bob
--------
Bob Lyons
http://www.unidex.com/

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