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Communication Dans Un Congrès Année : 2008

Use of Multiword terms and Query Expansion for Interactive Information Retrieval.

Résumé

This paper reports our participation in the INEX 2008 Ad- Hoc Retrieval track. We investigated the effect of multiword terms on retrieval effectiveness in an interactive query expansion (IQE) frame- work. The IQE approach is compared to a state-of-the-art IR engine (in this case Indri) implementing a bag-of-word query and document rep- resentation, coupled with pseudo-relevance feedback (automatic query expansion(AQE)). The performance of multiword query and document representation was enhanced when the term structure was relaxed to ac- cept the insertion of additional words while preserving the original struc- ture and word order. The search strategies built with multiword terms coupled with QE obtained very competitive scores in the three Ad-Hoc tasks: Focused retrieval, Relevant-in-Context and Best-in-Context.
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Dates et versions

hal-00635486 , version 1 (25-10-2011)

Identifiants

Citer

Fidelia Ibekwe-Sanjuan, Eric Sanjuan. Use of Multiword terms and Query Expansion for Interactive Information Retrieval.. 7th International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2008., Dec 2008, Dagstuhl, Germany. pp.590-601, ⟨10.1007/978-3-642-03761-0⟩. ⟨hal-00635486⟩
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