How to make use of XMLDB to process large XML and create spatial objects

For someone new to XMLDB I find it hard to make sense of the enormous amount of information (and easy to get lost in it). So I come here to ask for directions.
I have to build a procedure that fills a table of spatial objects based on XML input. Basically the XML contains a large amount of elements that describe the geometry type and contain the geometries coordinates. The XML can get quite large (200-300Mb).
Somehow I have to process each element and create an sdo_geometry object.
Now let me ask a very broad question: What would be a good way to handle this?

I have the same question. Any news on this?
Wijnand

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