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A comparative study of functional dependencies for XML

Published: 29 March 2005 Publication History

Abstract

Functional dependencies (FDs) have been relatively more intensively studied than other constraints for XML data. Yet there seems to be no consensus on the definition of such dependencies, and all previous definitions capture different types of constraints. In this paper, we survey and compare these XML functional dependencies (XFDs) and propose a new definition of XFD which unifies and generalizes the previous XFDs. We show how our GXFDs can express more constraints and hence can be used to detect more XML data redundancies than those in previous work.

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    Published In

    cover image Guide Proceedings
    APWeb'05: Proceedings of the 7th Asia-Pacific web conference on Web Technologies Research and Development
    March 2005
    1082 pages
    ISBN:354025207X
    • Editors:
    • Yanchun Zhang,
    • Katsumi Tanaka,
    • Jeffrey Xu Yu,
    • Shan Wang,
    • Minglu Li

    Sponsors

    • NSF of China: National Natural Science Foundation of China
    • Shanghai Jiao Tong University: Shanghai Jiao Tong University
    • Victoria University: Victoria University
    • NICT: National Institute of Information and Communications Technology
    • Microsoft Research Asia

    Publisher

    Springer-Verlag

    Berlin, Heidelberg

    Publication History

    Published: 29 March 2005

    Author Tags

    1. XML tree
    2. data integrity
    3. functional dependency
    4. scheme file

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    • (2012)Functional dependencies on extended relations defined by regular languagesProceedings of the 7th international conference on Foundations of Information and Knowledge Systems10.1007/978-3-642-28472-4_22(384-403)Online publication date: 5-Mar-2012
    • (2010)Functional dependencies for XMLProceedings of the 2010 international conference on Web-age information management10.5555/1927585.1927598(110-115)Online publication date: 15-Jul-2010
    • (2010)Regular tree patternsProceedings of the 2010 EDBT/ICDT Workshops10.1145/1754239.1754260(1-9)Online publication date: 22-Mar-2010
    • (2007)Efficient reasoning about XFDs with pre-image semanticsProceedings of the 12th international conference on Database systems for advanced applications10.5555/1783823.1783960(1070-1074)Online publication date: 9-Apr-2007
    • (2007)Characterization of the interaction of XML functional dependencies with DTDsProceedings of the 11th international conference on Database Theory10.1007/11965893_9(119-133)Online publication date: 10-Jan-2007

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