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   Re: Streaming Transformations for XML

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Josef Dietl wrote:

>A long, long time ago somthing like this was already in the making. I've 
>occasionally tried to chase it, but the only "living trace" that I'm aware of 
>is an ancient submission to the W3C: Simple Tree Transformation Sheets. Have a 
>look at http://www.w3.org/TR/NOTE-STTS3
Thanks, I will take a look at it definitely.

>The thing originates in CSS concepts and, obviously, uses CSS syntax - but 
>that should be easiest to fix.
>What I would mostly hope is that the whole thing gets closer to a general tree-
>to-tree transformation language than the current darling XSL-T. 
>("gets closer to" = acknowledgement of the limitations of stream-processing...)
>Now that I think of it: would it be possible to create a general purpose tree-
>to-tree language that has "streamable" components such that a simple processor 
>like a validator can distinguish "streamable" transformation definitions 
>from "non-streamable" ones? Maybe by means of using XML Schema to define the 
>language ans choosing different root elements for the one or the other?
It could be interesting to look for a way to combine different 
transformation mechanisms in one framework. I'm sure there are 
frameworks already claiming this, though some of these mechanisms are 
likely proprietary.


Petr Cimprich
Ginger Alliance


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