Re: [xml-dev] Disk-based XPath Processing

[Torsten Grust <grust@in.tum.de>]

Hi Stefan,

   disk-based XPath and XQuery processing is exactly what the  
companion projects Pathfinder (an XPath/XQuery to relational algebra  
or SQL compiler) and MonetDB/XQuery (a back-end database system that  
can execute Pathfinder's code) are all about.  Both projects are open- 
source.

On the web:

   http://www.pathfinder-xquery.org/
   http://www.monetdb-xquery.org/

The back-end database system processes relational encodings of XML  
trees (no DOM or similar data structures are involved).

Best wishes,
    --Torsten

On Sep 29, 2006, 4:50 PM, Stefan Tilkov wrote with possible deletions:
> Is there something like this? If so, how is it implemented? Is it  
> even reasonable?
>
> To clarify: I'm looking for approaches - preferably available in  
> the form of an open source library - that allow for running XPath  
> expressions against an XML document without the memory requirements  
> of creating a full tree in RAM.
>
> Any pointers would be greatly appreciated.
>
> Stefan Tilkov
> --
> Stefan Tilkov, http://www.innoq.com/blog/st/
>
>
>
>
>
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--
   | Prof. Dr. Torsten Grust                         grust@in.tum.de |
   |                                 http://www-db.in.tum.de/~grust/ |
   |     Database Systems - Technische Universität München (Germany) |