The extended XQL for querying and updating large XML databases

  • Authors:
  • Raymond K. Wong

  • Affiliations:
  • University of New South Wales, Sydney, NSW, Australia

  • Venue:
  • DocEng '01 Proceedings of the 2001 ACM Symposium on Document engineering
  • Year:
  • 2001

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Abstract

XQL has been argued as just a model for asking for specific sets of elements with very limited query capability. This paper proposes several extensions of XQL to address the issues. The extensions include full-text indexed search, path variables, joins, session-based navigations, and updates. Effort has been spent to preserve the conciseness of the language syntax. Its corresponding query processor with optimization mechanism has been prototyped and available online. Finally, implementation issues are discussed.