Guided Local Search for query reformulation using weight propagation

• Autorzy: Issam Moghrabi
• Języki publikacji: EN

Abstrakty

EN

A new technique for query reformulation that assesses the relevance of retrieved documents using weight propagation is proposed. The technique uses a Guided Local Search (GLS) in conjunction with the latent semantic indexing model (to semantically cluster documents together) and Lexical Matching (LM). The GLS algorithm is used to construct a minimum spanning tree that is later employed in the reformulation process. The computations done for Singular Value Decomposition (SVD), LM and the minimum spanning tree are necessary overheads that occur only initially and all subsequent work is based on them. Our experimental results reveal the effectiveness of the new technique.

Słowa kluczowe

EN

relevance feedback; latent semantic; clustering; query reformulation

• Wydawca: University of Zielona Gora Press
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2006
• Tom: 16
• Numer: 4
• Strony: 537-549

Daty

wydano

2006

otrzymano

2005-10-21

poprawiono

2006-08-01

Twórcy

autor

Issam Moghrabi

• Computer Science Department, Faculty of Science, Beirut Arab University, P.O. Box 11-5020, Beirut, Lebanon

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