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ULoad: choosing the right storage for your XML application

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Andrei Arion INRIA Futurs and Univ. Paris XI, FranceVeronique Benzaken Univ. Paris XI, FranceIoana Manolescu INRIA Futurs, FranceRavi Vijay IIT Bombay, India

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ULoad prototype demonstration

XML materialized view management for XQuery:

Materialized view creation

Data extraction & loading in native/relational repository

Query answering over the materialized views

Materialized view extraction from XQuery queries

Guidance in choosing views and writing queries: satisfiability / answerability tests

Constraint-based query answering

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Formalism for describing complex XML materialized views: XAMs

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Loading XAMsin a store

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Querying a database of XAMs

query-derived XAMs

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Logical query plans over XAMs

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Testing query satisfiability

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Testing query coverage by the stored XAMs

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Behind the scene: structural constraints

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Also behind the scene

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More information

http://www-rocq.inria.fr/gemo/XAM

A.Arion, V.Benzaken and I. Manolescu. "XML Access Modules: Towards Physical Data Independence in XML Databases", XIME-P 2005

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