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    Satisfiability of xpath expressions

    Hidders, Jan (2003) Satisfiability of xpath expressions. In: Lausen, G. and Suciu, D. (eds.) Database Programming Languages: 9th International Workshop. Lecture Notes in Computer Science 2921. Springer, pp. 21-36. ISBN 9783540208969.

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    Abstract

    In this paper, we investigate the complexity of deciding the satisfiability of XPath 2.0 expressions, i.e., whether there is an XML document for which their result is nonempty. Several fragments that allow certain types of expressions are classified as either in PTIME or NP-hard to see which type of expression make this a hard problem. Finally, we establish a link between XPath expressions and partial tree descriptions which are studied in computational linguistics.

    Metadata

    Item Type: Book Section
    School: School of Business, Economics & Informatics > Computer Science and Information Systems
    Depositing User: Sarah Hall
    Date Deposited: 20 Apr 2021 18:21
    Last Modified: 20 Apr 2021 18:21
    URI: https://eprints.bbk.ac.uk/id/eprint/43939

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