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2011 IEEE 27th International Conference on Data Engineering (2011)
Hannover, Germany
Apr. 11, 2011 to Apr. 16, 2011
ISBN: 978-1-4244-8959-6
pp: 1320-1323
Federico Cavalieri , DISI, University of Genova, Italy
Giovanna Guerrini , DISI, University of Genova, Italy
Marco Mesiti , DiCo, University of Milano, Italy
Data on the Web mostly are in XML format and the need often arises to update their structure, commonly described by an XML Schema. When a schema is modified the effects of the modification on documents need to be faced. XSUpdate is a language that allows to easily identify parts of an XML Schema, apply a modification primitive on them and finally define an adaptation for associated documents, while Eχup is the corresponding engine for processing schema modification and document adaptation statements. Purpose of this demonstration is to provide an overview of the facilities of the XSUpdate language and of the Eχup system.

M. Mesiti, F. Cavalieri and G. Guerrini, "Updating XML schemas and associated documents through exup," 2011 IEEE 27th International Conference on Data Engineering(ICDE), Hannover, Germany, 2011, pp. 1320-1323.
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