A Generic Framework for Extracting XML Data from Legacy Databases

Philippe Thiran, Fabrice Estievenart, Jean-Luc Hainaut, Geert-Jan Houben

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This paper describes a generic framework in which semantics-based XML data can be derived from legacy databases. It consists of first recovering the conceptual schema of the database through reverse engineering techniques, and then of converting this schema, or part of it, into XML-compliant data structures. Both steps heavily rely on generic schema transformation techniques, while all the schemas involved in the whole process are expressed in a unique model, named GER. Transformations between schemas are expressed as sequences of reversible transformation primitives. The reversed sequence can be used to automatically translate query, data or updates posed on XML.
langue originaleAnglais
Pages (de - à)205-223
Nombre de pages19
journalJournal of Web Engineering
Numéro de publication3
Etat de la publicationNon publié - 2005

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