• Title/Summary/Keyword: Stacked Bidirectional LSTM-CRFs

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Korean Semantic Role Labeling using Stacked Bidirectional LSTM-CRFs (Stacked Bidirectional LSTM-CRFs를 이용한 한국어 의미역 결정)

  • Bae, Jangseong;Lee, Changki
    • Journal of KIISE
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    • v.44 no.1
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    • pp.36-43
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    • 2017
  • Syntactic information represents the dependency relation between predicates and arguments, and it is helpful for improving the performance of Semantic Role Labeling systems. However, syntax analysis can cause computational overhead and inherit incorrect syntactic information. To solve this problem, we exclude syntactic information and use only morpheme information to construct Semantic Role Labeling systems. In this study, we propose an end-to-end SRL system that only uses morpheme information with Stacked Bidirectional LSTM-CRFs model by extending the LSTM RNN that is suitable for sequence labeling problem. Our experimental results show that our proposed model has better performance, as compare to other models.