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   Re: [xml-dev] Ann: Schemachine (a pipelined Xml validation framework)

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  • To: Rick Jelliffe <ricko@allette.com.au>
  • Subject: Re: [xml-dev] Ann: Schemachine (a pipelined Xml validation framework)
  • From: Francis Norton <francis@redrice.com>
  • Date: Thu, 04 Jul 2002 16:13:39 +0100
  • Cc: Xml-Dev <xml-dev@lists.xml.org>
  • References: <1024564297.23921.176.camel@ibook> <009501c2186a$635d15c0$4bc8a8c0@AlletteSystems.com>
  • User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.0) Gecko/20020530

Rick Jelliffe wrote:

>From: "Eric van der Vlist" <vdv@dyomedea.com>
>>I am happy to announce a first version of Xml Validation
>>Interoperability Framework (xvif), a proposal for embedding pipes of
>>transformations and validations within grammar based schema languages.
>I am also happy to contribute a different approach to a modular validation 
>framework for XML: Schemachine.
Never two but three - I'd like to offer LLI (Locally Linked Infosets) 
[1] - a function-based approach to accessing post-validation results 
which could, I think, be used to implement the Schemachine.

The design aims of LLI are to be:

    Simple  - The proposed solution should have few components, and 
should be straightforward to understand and use.
    Harmless - The solution should have little or no impact on existing 
technical standards or conceptual models.
    Open  - Both XSDL and its alternatives should be treated as 
first-class citizens
    Consumer Oriented - The document consumer should choose which schema 
engine(s) and schema(s) are used to validate the document or any of its 
    Flexible - The proposal should permit the use of multiple schemas or 
schema engines for the same document or elements, either independently 
(in parallel) or cumulatively (in sequence).
    Pervasive - Should be easy to implement, and it should be possible 
to access it from environments that supports XPath, such as XSLT or the 

I hope it proves useful.


[1] http://www.redrice.com/xml/LocallyLinkedInfosets.html

"Never mind manoeuvre, go straight at 'em." - Admiral Horatio Nelson


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