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Boolean Query Mapping Across Heterogeneous Information Sources

Published: 01 August 1996 Publication History

Abstract

Searching over heterogeneous information sources is difficult because of the nonuniform query languages. Our approach is to allow a user to compose Boolean queries in one rich front-end language. For each user query and target source, we transform the user query into a subsuming query that can be supported by the source but that may return extra documents. The results are then processed by a filter query to yield the correct final result. In this paper we introduce the architecture and associated algorithms for generating the supported subsuming queries and filters. We show that generated subsuming queries return a minimal number of documents; we also discuss how minimal cost filters can be obtained. We have implemented prototype versions of these algorithms and demonstrated them on heterogeneous Boolean systems.

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  • (2006)Logic and Computational Complexity for Boolean Information RetrievalIEEE Transactions on Knowledge and Data Engineering10.1109/TKDE.2006.19318:12(1659-1666)Online publication date: 1-Dec-2006
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Information & Contributors

Information

Published In

cover image IEEE Transactions on Knowledge and Data Engineering
IEEE Transactions on Knowledge and Data Engineering  Volume 8, Issue 4
August 1996
159 pages

Publisher

IEEE Educational Activities Department

United States

Publication History

Published: 01 August 1996

Author Tags

  1. Boolean queries
  2. digital libraries
  3. filtering.
  4. heterogeneity
  5. information retrieval
  6. query subsumption
  7. query translation

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  • (2006)Keyphrase extraction-based query expansion in digital librariesProceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries10.1145/1141753.1141800(202-209)Online publication date: 11-Jun-2006
  • (2006)Logic and Computational Complexity for Boolean Information RetrievalIEEE Transactions on Knowledge and Data Engineering10.1109/TKDE.2006.19318:12(1659-1666)Online publication date: 1-Dec-2006
  • (2005)Light-weight domain-based form assistantProceedings of the 31st international conference on Very large data bases10.5555/1083592.1083607(97-108)Online publication date: 30-Aug-2005
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  • (2005)An automatic unsupervised querying algorithm for efficient information extraction in biomedical domainProceedings of the 9th Pacific-Asia conference on Advances in Knowledge Discovery and Data Mining10.1007/11430919_22(173-179)Online publication date: 18-May-2005
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