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Condorcet query engine: A query engine for coordinated index terms

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  • Paul E. van der Vet
  • Nicolaas J.I. Mars

Abstract

On‐line information retrieval systems often offer their users some means to tune the query to match the level of granularity of the information request. Users can be offered a far greater range of possibilities, however, if documents are indexed with coordinated index concepts. Coordinated index concepts are compound index concepts that express a relation between concepts that function as simple subject descriptors, as in cures(headache, aspirin). We show the point by giving a functional specification of a query engine that can handle both simple and coordinated index concepts, Boolean combinations, and superconcept expansion. The Condorcet Query Engine, a prototype query engine that can be run over the World Wide Web (WWW), demonstrates the feasibility of these ideas. The combination of known and novel techniques ensures a smooth migration path from existing query engines to more advanced engines that handle coordinated index concepts.

Suggested Citation

  • Paul E. van der Vet & Nicolaas J.I. Mars, 1999. "Condorcet query engine: A query engine for coordinated index terms," Journal of the American Society for Information Science, Association for Information Science & Technology, vol. 50(6), pages 485-492.
    • Handle: RePEc:bla:jamest:v:50:y:1999:i:6:p:485-492
    DOI: 10.1002/(SICI)1097-4571(1999)50:63.0.CO;2-S
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