X-Evolution: A Comprehensive Approach for XML Schema Evolution

  • Authors:
  • Giovanna Guerrini;Marco Mesiti

  • Affiliations:
  • -;-

  • Venue:
  • DEXA '08 Proceedings of the 2008 19th International Conference on Database and Expert Systems Application
  • Year:
  • 2008

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Abstract

In this paper we present X-Evolution, a Web system developed on top of a commercial DBMS that allows the specification of schema modifications both on a graphical representation of an XML Schema and through a specifically tailored declarative language. X-Evolution supports facilities for performing schema revalidation only when strictly needed and only on the minimal parts of documents affected by the modifications. Moreover, it supports the automatic and query-based adaptation of original schema instances to the evolved schema.