中間言語を用いたインドネシア語‐日本語対訳辞書の拡充

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書誌事項

タイトル別名
  • Expanding Indonesian-Japanese Translation Dictionary Using Pivot Language
  • チュウカン ゲンゴ オ モチイタ インドネシアゴ ニホンゴ タイヤク ジショ ノ カクジュウ

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抄録

Cross-lingual language resources are necessary to realize cross-lingual natural language processing. A large translation dictionary is especially important as such a resource, however, large dictionaries are available for few language pairs and small ones are only available for most language pairs. We propose a novel method to expand a small existing translation dictionary to a large translation dictionary using a pivot language. Cooccurrence vectors in the source language and ones in the destination language are compared based on the small existing translation dictionary, and provide information to select appropriate translations among translation candidates gotten from transitive translation using two translation dictionaries. Experiments that expand the Indonesian-Japanese dictionary using the English language as a pivot language show that the proposed method can improve performance of a real CLIR system.

収録刊行物

  • 自然言語処理

    自然言語処理 15 (5), 23-43, 2008

    一般社団法人　言語処理学会

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