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Automatic Extraction of Low Frequency Bilingual Word Pairs from Parallel Corpora with Various Languages

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Advances in Knowledge Discovery and Data Mining (PAKDD 2005)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 3518))

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Abstract

In this paper, we propose a new learning method for extraction of low-frequency bilingual word pairs from parallel corpora with various languages. It is important to extract low-frequency bilingual word pairs because the frequencies of many bilingual word pairs are very low when large-scale parallel corpora are unobtainable. We use the following inference to extract low frequency bilingual word pairs: the word equivalents that adjoin the source language words of bilingual word pairs also adjoin the target language words of bilingual word pairs in local parts of bilingual sentence pairs. Evaluation experiments indicated that the extraction rate of our system was more than 8.0 percentage points higher than the extraction rate of the system based on the Dice coefficient. Moreover, the extraction rates of bilingual word pairs for which the frequencies are one and two respectively improved 11.0 and 6.6 percentage points using AIL.

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Author information

Authors and Affiliations

  1. Dept. of Electronics and Information, Hokkai-Gakuen University, S26-Jo, W11-Chome, Chuo-ku, Sapporo, 064-0926, Japan

    Hiroshi Echizen-ya & Yoshio Momouchi

  2. Graduate School of Information Science and Technology, Hokkaido University, N14-Jo, W9-Chome, Kita-ku, Sapporo, 060-0814, Japan

    Kenji Araki

Authors
  1. Hiroshi Echizen-ya
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  2. Kenji Araki
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  3. Yoshio Momouchi
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Editor information

Editors and Affiliations

  1. Japan Advanced Institute of Science and Technology, Asahidai 1-1, 923-12292, Nomi, Japan

    Tu Bao Ho

  2. University of Hong Kong, Pokfulam Road, Hong Kong, China

    David Cheung

  3. Department of Computer Science and Engineering, Arizona State University, Tempe, Arizona, USA

    Huan Liu

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© 2005 Springer-Verlag Berlin Heidelberg

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Echizen-ya, H., Araki, K., Momouchi, Y. (2005). Automatic Extraction of Low Frequency Bilingual Word Pairs from Parallel Corpora with Various Languages. In: Ho, T.B., Cheung, D., Liu, H. (eds) Advances in Knowledge Discovery and Data Mining. PAKDD 2005. Lecture Notes in Computer Science(), vol 3518. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11430919_5

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  • DOI: https://doi.org/10.1007/11430919_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-26076-9

  • Online ISBN: 978-3-540-31935-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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