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AW: XQuery frameworks

Hans-Juergen Rennau hrennau at yahoo.de
Tue Feb 2 11:02:50 PST 2010


 AW:  XQuery frameworks
Martin,

yes, what purpose whould they have? Two purposes I can immediately think of is to organize document flow from query to query, and automated input selection for batch processing, e.g. based on document properties and selection criteria. Let me briefly expand ideas about document flow. Imagine we introduced the concept of a "document type", not in the conventional - literal - way referring to schema and DTD, but as an abstract component identified by a QName and properties; and imagine we possess a simple language for characterizing queries in terms of input and output document types (in the sense just introduced); then things can get really in motion. And note the aspect that the whole approach is very concept minded, systematically building on new kinds of components and the semantics of their properties. Practically, this can get efficient and attractive, indeed, 

With kind regards
Hans-Juergen Rennau



----- Ursprüngliche Mail ----
Von: Martin Probst <http://x-query.com/mailman/listinfo/talk>
An: Hans-Juergen Rennau <http://x-query.com/mailman/listinfo/talk>
CC: Michael Kay <http://x-query.com/mailman/listinfo/talk>; http://x-query.com/mailman/listinfo/talk; http://x-query.com/mailman/listinfo/talk; http://x-query.com/mailman/listinfo/talk
Gesendet: Dienstag, den 2. Februar 2010, 11:13:56 Uhr
Betreff: Re:  XQuery frameworks

> But remains the question: is there no need for additional integrators between the XQuery level and the XProc level? I believe that such integrators can be designed and could be useful.

What would they do? What purpose would they have? Of course you can
introduce any number of indirections between XProc and XQuery, but why
would you want to?

Martin


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