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XQuery Full-Text

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Encyclopedia of Database Systems

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Synonyms

XQuery 1.0 and XPath 2.0 Full-Text; XQFT

Definition

XQuery Full-Text [11] is a full-text search extension to the XQuery 1.0 [9] and XPath 2.0 [8] XML query languages. XQuery 1.0, XPath 2.0, and XQuery Full-Text are query languages developed by the World Wide Web Consortium (W3C).

Historical Background

The XQuery [9] and XPath languages [8] have evolved as powerful languages for querying XML documents. While these languages provide sophisticated structured query capabilities, they only provide rudimentary capabilities for querying the text (unstructured) parts of XML documents. In particular, the main full-text search predicate in these languages is the fn: contains($context, $keywords) function (http://www.w3.org/TR/xpath-functions/#func-contains), which intuitively returns the Boolean value true if the items in the $context parameter contain the strings in the $keywords parameter. The fn:containsfunction is sufficient for simple sub-string matching but does not provide more...

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Recommended Reading

  1. Al-Khalifa S, Yu C, Jagadish H. Querying structured text in an XML database. In: Proceedings of ACM SIGMOD International Conference on Management of Data; 2003. p. 4–15.

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  8. XML path language (XPath) 2.0. W3C recommendation. Available at http://www.w3.org/TR/xpath20/

  9. XQuery 1.0: an XML query language. W3C recommendation. Available at http://www.w3.org/TR/xquery/

  10. XQuery 1.0 and XPath 2.0 Data Model (XDM). W3C recommendation. Available at http://www.w3.org/TR/xpath-datamodel/

  11. XQuery 1.0 and XPath 2.0 Full-Text 1.0. W3C working draft. Available at http://www.w3.org/TR/xpath-full-text-10/

  12. XQuery 1.0 and XPath 2.0 Full-Text 1.0 requirements. W3C working draft. Available at http://www.w3.org/TR/xpath-full-text-10-requirements/

  13. XQuery 1.0 and XPath 2.0 Full-Text 1.0 use cases. W3C working draft. Available at http://www.w3.org/TR/xpath-full-text-10-use-cases/

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Author information

Authors and Affiliations

  1. Yahoo Research!, Cornell University, Ithaca, NY, USA

    Chavdar Botev

  2. Yahoo Research!, Santa Clara, NY, USA

    Jayavel Shanmugasundaram

Authors
  1. Chavdar Botev
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  2. Jayavel Shanmugasundaram
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Corresponding author

Correspondence to Chavdar Botev .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, Georgia, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, Ontario, Canada

    M. Tamer Özsu

Section Editor information

  1. Laboratoire d'Informatique de Grenoble, CNRS and LIG, 681 rue de la passerelle, 38000, Grenoble, France

    Sihem Amer-Yahia

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© 2016 Springer Science+Business Media LLC

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Botev, C., Shanmugasundaram, J. (2016). XQuery Full-Text. In: Liu, L., Özsu, M. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4899-7993-3_775-2

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  • DOI: https://doi.org/10.1007/978-1-4899-7993-3_775-2

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  • Publisher Name: Springer, New York, NY

  • Online ISBN: 978-1-4899-7993-3

  • eBook Packages: Springer Reference Computer SciencesReference Module Computer Science and Engineering

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