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Realizing temporal XML repositories using temporal relational databases

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3 Author(s)
Amagasa, T. ; Grad. Sch. of Inf. Sci., Nara Inst. of Sci. & Technol., Japan ; Yoshikawa, M. ; Uemura, S.

This paper addresses development of general storage and retrieval methods for changes of XML documents. In this approach, histories of XML documents are modeled by the TXPath data model, which is a temporal extension of the XPath data model. Given an XML document, changes of the document are modeled by the TXPath data model, and it is then mapped into valid-time relational tables of temporal relational databases. We show the fundamental operations for XML documents, which are based on DOM (Document Object Model), and also show how the operations are mapped into those on valid-time relations. Finally, we can retrieve changes of XML documents using SQL

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Cooperative Database Systems for Advanced Applications, 2001. CODAS 2001. The Proceedings of the Third International Symposium on

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