469 search results - page 18 / 94 » Cluster-based query expansion |
143
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CIKM
2004
Springer
15 years 9 months ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
138
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CORR
2008
Springer
15 years 4 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
159
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SIGIR
2006
ACM
15 years 10 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
120
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MHCI
2009
Springer
15 years 11 months ago
2009
Springer
As users enter web queries, real-time query expansion (RTQE) interfaces offer suggestions based on an index garnered from query logs. In selecting a suggestion, users can potentia...
115
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SIGIR
1996
ACM
15 years 8 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...