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XQuery Full-Text

  • Reference work entry
  • First Online:
Encyclopedia of Database Systems

  • 11 Accesses

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 the ACM SIGMOD International Conference on Management of Data; 2003. p. 4–15.

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  2. Amer-Yahia S, Botev C, Doerre J, Shanmugasundaram J. XQuery full-text extensions explained. IBM Syst J. 2006;45(2):335–51.

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  3. Amer-Yahia S, Botev C, Shanmugasundaram J. TE XQuery: a full-text search extension to XQuery. In: Proceedings of the 12th International World Wide Web Conference; 2004. p. 583–94.

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  4. Carmel D, Maarek Y, Mandelbrod M, Mass Y, Soffer A. Searching XML documents via XML fragments. In: Proceedings of the 26th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval; 2003. p. 151–8.

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  5. Chinenyanga T, Kushmerick N. Expressive and efficient ranked querying of XML data. In: Proceedings of the 4th International Workshop on the World Wide Web and Databases; 2001. p. 1–6.

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  6. Fuhr N, Grossjohann K. XIRQL: an extension of XQL for information retrieval. In: Proceedings of the ACM SIGIR Workshop on XML and Information Retrieval; 2000. p. 172–80.

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  7. Theobald A, Weikum G. The index-based XXL search engine for querying XML data with relevance ranking. In: Advances in Database Technology, Proceedings of 8th International Conference on Extending Database Technology, 2002. p. 477–95.

    Chapter  Google Scholar 

  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, GA, USA

    Ling Liu

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

    M. Tamer Özsu

Section Editor information

  1. Laboratoire d'Informatique de Grenoble, CNRS and LIG, Grenoble, France

    Sihem Amer-Yahia

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Botev, C., Shanmugasundaram, J. (2018). XQuery Full-Text. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_775

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