Broadening vector space schemes for improving the quality of information retrieval

Kotagiri Ramamohanarao; Laurence A.F. Park

doi:10.1007/978-3-540-31849-1_3

Broadening vector space schemes for improving the quality of information retrieval

Kotagiri Ramamohanarao, Laurence A.F. Park

University of Melbourne

Research output: Contribution to journal › Conference article › peer-review

Abstract

The vector space model (VSM) of information retrieval suffers in two areas, it does not utilise term positions and it treats every term as being independent. We examine two information retrieval methods based on the simple vector space model. The first uses the query term position flow within the documents to calculate the document score, the second includes related terms in the query by making use of term correlations. Both of these methods show significant improvements over the VSM precision while keeping the query time to speeds similar to those of the VSM.

Original language	English
Pages (from-to)	15-26
Number of pages	12
Journal	Agents for Games and Simulations II
Volume	3399
DOIs	https://doi.org/10.1007/978-3-540-31849-1_3
Publication status	Published - 2005
Externally published	Yes
Event	7th Asia-Pacific Web Conference on Web Technologies Research and Development - APWeb 2005 - Shanghai, China Duration: 29 Mar 2005 → 1 Apr 2005

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10.1007/978-3-540-31849-1_3

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AB - The vector space model (VSM) of information retrieval suffers in two areas, it does not utilise term positions and it treats every term as being independent. We examine two information retrieval methods based on the simple vector space model. The first uses the query term position flow within the documents to calculate the document score, the second includes related terms in the query by making use of term correlations. Both of these methods show significant improvements over the VSM precision while keeping the query time to speeds similar to those of the VSM.

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T2 - 7th Asia-Pacific Web Conference on Web Technologies Research and Development - APWeb 2005

Y2 - 29 March 2005 through 1 April 2005

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Broadening vector space schemes for improving the quality of information retrieval

Abstract

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