Detection of Mistakes in Japanese Learner’s Composition by Machine Learning –Detection of Grammatical Errors in a Clause–

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  • 機械学習による日本語学習者の作文からの誤り検出―1文節内の文法誤りの検出―
  • キカイ ガクシュウ ニ ヨル ニホンゴ ガクシュウシャ ノ サクブン カラ ノ アヤマリ ケンシュツ : 1 ブンセツ ナイ ノ ブンポウ アヤマリ ノ ケンシュツ

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Abstract

<p>We aim to develop a system to detect Japanese learner’s mistakes automatically. In this paper, we proposed a method to detect mistakes by machine learning. Especially, we focus on mistakes that are grammatical errors which can be detected from an alone clause. We discussed features for machine learning and a learning method. Consequently, we found that random forest and features constructed by result of morphological analysis bring the best result, correct judgement rate is 76% for unknown data.</p>

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