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   Automated schema migration

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Dear XML Developers:

My organization maintains a large set of documents in XML format. This set 
has been developed over the course of almost 6 years without a schema, and 
therefore each group of documents differs slightly from the next, as needs 
changed and the organization evolved.

I'm evangelizing the benefits of putting in place schemas to standardize our 
markup. But today I'm given the chance to actually prove such benefits, as 
we need to migrate an older set of documents to a newer schema. We don't 
actually have any schemas yet, but that's something I could work on.

My question is: assuming I've created a schema for my old set of documents, 
if I were to create a transformation T1 that, given the old schema, 
generates the new schema, could I machine-generate from that transformation 
T1 another transformation T2 that could be applied to the documents 

Instead of writing directly a document -> document migration transformation, 
is it possible to derive such a transformation from the related schema -> 
schema transformation? If so, how? Are there any tools for this?

Thank you for your tips!




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