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Re: Newbie Q: Validating heterogeneous XML

• To: kynn@p...
• Subject: Re: Newbie Q: Validating heterogeneous XML
• From: "Chiusano Joseph" <chiusano_joseph@b...>
• Date: Tue, 20 Apr 2004 08:26:56 -0400
• Cc: xml-dev@l...
• Organization: Booz Allen Hamilton
• References: <200404200153.i3K1rs300538@p...>

One way is to reference the XML schemas that define the various
vocabularies in the XML documents themselves, although - according to
the W3C Schema Recommendation 1.0 - schema processors are not required
to recognize these references. Another way is to associate the XML
documents with the pertinent schemas at the "point of processing", such
as at a server at which they are processed.

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton
Strategy and Technology Consultants to the World

kynn@p... wrote:
> 
> Here's a rank beginner's question.
> 
> The main rationale I have seen for namespace support in XML is to
> enable the peaceful coexistence of XML fragments from various
> sources within the same ("heterogeneous") XML document without
> their trampling over each other's namespaces.
> 
> What about the validation of such "heterogeneous" XML documents?
> 
> Not only are various fragments probably governed by different
> syntaxes, but these syntaxes are probably specified using different
> languages (DTDs, XML Schema, etc.).
> 
> How are all these competing standards and diverse syntatic
> specifications brought together to validate a heterogeneous XML
> document?
> 
> Thanks!
> 
> kj
> 
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-- 
Kind Regards,
Joseph Chiusano
Associate
Booz | Allen | Hamilton

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