Related word extraction algorithm for query expansion - An evaluation

Tetsuya Oishi, Tsunenori Mine, Ryuzo Hasegawa, Hiroshi Fujita, Miyuki Koshimura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

When searching for information a user wants, search engines often return lots of results unintended by the user. Query expansion is a promising approach to solve this problem. In the query expansion research, one of the biggest issues is to generate appropriate keywords representing the user's intention. The Related Word Extraction Algorithm (RWEA) we proposed extracts such keywords for the query expansion. In this paper, we evaluate the RWEA through several experiments considering the types of queries given by the users. We compare the RWEA, Robertson's Selection Value (RSV) which is one of the famous relevance feedback methods, and the combination of RWEA and RSV. The results show that as queries become more ambiguous, the advantage of the RWEA becomes higher. From the points of view of query types, the RWEA is appropriate for informational queries and the combined method is for navigational queries. For both query types, RWEA helps to find relevant information.

Original languageEnglish
Title of host publicationAdvances in Practical Multi-Agent Systems
EditorsQuan Bai
Pages33-48
Number of pages16
DOIs
Publication statusPublished - Nov 4 2010

Publication series

NameStudies in Computational Intelligence
Volume325
ISSN (Print)1860-949X

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Search engines
Feedback
Experiments

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence

Cite this

Oishi, T., Mine, T., Hasegawa, R., Fujita, H., & Koshimura, M. (2010). Related word extraction algorithm for query expansion - An evaluation. In Q. Bai (Ed.), Advances in Practical Multi-Agent Systems (pp. 33-48). (Studies in Computational Intelligence; Vol. 325). https://doi.org/10.1007/978-3-642-16098-1_3

Related word extraction algorithm for query expansion - An evaluation. / Oishi, Tetsuya; Mine, Tsunenori; Hasegawa, Ryuzo; Fujita, Hiroshi; Koshimura, Miyuki.

Advances in Practical Multi-Agent Systems. ed. / Quan Bai. 2010. p. 33-48 (Studies in Computational Intelligence; Vol. 325).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oishi, T, Mine, T, Hasegawa, R, Fujita, H & Koshimura, M 2010, Related word extraction algorithm for query expansion - An evaluation. in Q Bai (ed.), Advances in Practical Multi-Agent Systems. Studies in Computational Intelligence, vol. 325, pp. 33-48. https://doi.org/10.1007/978-3-642-16098-1_3
Oishi T, Mine T, Hasegawa R, Fujita H, Koshimura M. Related word extraction algorithm for query expansion - An evaluation. In Bai Q, editor, Advances in Practical Multi-Agent Systems. 2010. p. 33-48. (Studies in Computational Intelligence). https://doi.org/10.1007/978-3-642-16098-1_3
Oishi, Tetsuya ; Mine, Tsunenori ; Hasegawa, Ryuzo ; Fujita, Hiroshi ; Koshimura, Miyuki. / Related word extraction algorithm for query expansion - An evaluation. Advances in Practical Multi-Agent Systems. editor / Quan Bai. 2010. pp. 33-48 (Studies in Computational Intelligence).
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