Flexible querying of XML documents

Authors:
Krishnaprasad Thirunarayan;Trivikram Immaneni
Affiliations:
Department of Computer Science and Engineering, Wright State University, Dayton, OH;Department of Computer Science and Engineering, Wright State University, Dayton, OH
Venue:
ISMIS'06 Proceedings of the 16th international conference on Foundations of Intelligent Systems
Year:
2006

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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. We also present a simple yet robust relevance ranking for heterogeneous document-centric XML.