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Acquisition of useful expressions from English research papers

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3 Author(s)
Yuta Sakai ; Graduate School of Information Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya-shi, 464-8601 Japan ; Kenji Sugiki ; Shigeki Matsubara

This paper proposes a method for extracting useful expressions from English research papers. The method extracts sequences of words from research papers and refine them into phrasal expressions (PEs). We use base-phrases for acquiring such the expressions. The method extracts PEs from the set of sequences of base-phrases by using three kinds of statistical information: frequency, length, and the number of kinds of the succeeding base-phrases. In our experiment using 1,232 research papers, the precision of acquisition at the top-200 was 62.0%. The precision was higher than all of the baselines, and therefore, we confirmed the feasibility of our method.

Published in:

Natural Language Processing, 2009. SNLP '09. Eighth International Symposium on

Date of Conference:

20-22 Oct. 2009