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Encyclopedia of Database Systems pp 3571–3573Cite as

XML

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Synonyms

Extensible markup language; XML 1.0

Definition

The Extensible Markup Language or XML for short is a markup definition language defined by a World Wide Web Consortium Recommendation that allows annotating textual data with tags to convey additional semantic information. It is extensible by allowing users to define the tags themselves.

Historical Background

XML was developed as a simplification of the ISO Standard General Markup Language (SGML) in the mid 1990s under the auspices of the World Wide Web Consortium (W3C). Some of the primary contributors were Jon Bosak of Sun Microsystems (the working group chair), Tim Bray (then working at Textuality and Netscape), Jean Paoli of Microsoft, and C. Michael Sperberg-McQueen of then the University of Chicago. Initially released as a version 1.0 W3C recommendation on 10 Feb. 1998, XML has undergone several revisions since then. The latest XML 1.0 recommendation edition is the fourth edition as of this writing. A fifth edition is...

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Recommended Reading

  1. Namespaces in XML 1.0, latest edition. Available at: http://www.w3.org/TR/xml-names

  2. Wikipedia entry for XML. Available at: http://en.wikipedia.org/wiki/XML

  3. XML 1.0 information Set, latest edition. Available at: http://www.w3.org/TR/xml-infoset

  4. XML 1.0 recommendation, latest edition. Available at: http://www.w3.org/TR/xml

  5. XML 1.1 recommendation, latest edition. Available at: http://www.w3.org/TR/xml11

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Author information

Authors and Affiliations

  1. Microsoft Corporation, Sammamish, WA, USA

    Michael Rys

Authors
  1. Michael Rys
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Editor information

Editors and Affiliations

  1. College of Computing, Georgia Institute of Technology, 266 Ferst Drive, 30332-0765, Atlanta, GA, USA

    LING LIU (Professor) (Professor)

  2. Database Research Group David R. Cheriton School of Computer Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, ON, Canada

    M. TAMER ÖZSU (Professor and Director, University Research Chair) (Professor and Director, University Research Chair)

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© 2009 Springer Science+Business Media, LLC

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Rys, M. (2009). XML. In: LIU, L., ÖZSU, M.T. (eds) Encyclopedia of Database Systems. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-39940-9_792

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