Relational index support for XPath axes

  • Authors:
  • Leo Yuen;Chung Keung Poon

  • Affiliations:
  • Department of Computer Science, City University of Hong Kong;Department of Computer Science, City University of Hong Kong

  • Venue:
  • XSym'05 Proceedings of the Third international conference on Database and XML Technologies
  • Year:
  • 2005

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Abstract

In this paper, we designed efficient indexing structure for XML documents so that each basic XPath axis step is supported. The indexing structure is built on top of the B+-tree which is available in practically all commercial relational database systems. For most of the basic axis steps, we are able to derive theoretical worst case execution time bounds. We also perform experimental evaluation to substantiate those bounds.