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M2VSM: Extension of vector space model by introducing Meta keyword

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2 Author(s)
Takama, Y. ; Grad. Sch. of Syst. Design, Tokyo Metropolitan Univ., Tokyo ; Ishibashi, T.

This paper proposes an extended vector space model (VSM), which is called M2VSM (meta keyword-based modified VSM). When conventional VSM is applied to document clustering, it is difficult to adjust the granularity of cluster in terms of topic. In order to solve the problem, M2VSM considers meta keywords such as adjectives and adverbs, as additional value of indexing terms. The similarity between documents is calculated by considering the matching of meta keywords for each index term, which makes it possible to cluster documents with various granularities in terms of topic. Experimental results show that clustering results by M2VSM match the results by test subjects in both rough and detailed clustering.

Published in:

Automation Congress, 2008. WAC 2008. World

Date of Conference:

Sept. 28 2008-Oct. 2 2008

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