A coherent query language for XML

  • Authors:

  • Krishnaprasad Thirunarayan;Trivikram Immaneni

  • Affiliations:

  • Metadata and Languages Laboratory Department of Computer Science and Engineering, Wright State University, Dayton, USA 45435;Metadata and Languages Laboratory Department of Computer Science and Engineering, Wright State University, Dayton, USA 45435

  • Venue:
  • Journal of Intelligent Information Systems
  • Year:
  • 2009

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Abstract

Text search engines are inadequate for indexing and searching XML documents because they ignore metadata and aggregation structure implicit in the XML documents. On the other hand, the query languages supported by specialized XML search engines are very complex. In this paper, we present a simple yet flexible query language, and develop its semantics to enable intuitively appealing extraction of relevant fragments of information while simultaneously falling back on retrieval through plain text search if necessary. Our approach combines and generalizes several available techniques to obtain precise and coherent results.