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A stack LSTM transition-based dependency parser with context enhancement and K-best decoding

  • Fuxiang Wu
  • , Minghui Dong
  • , Zhengchen Zhang
  • , Fugen Zhou
  • Beihang University
  • Agency for Science, Technology and Research, Singapore

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Transition-based parsing is useful for many NLP tasks. For improving the parsing accuracy, this paper proposes the following two enhancements based on a transition-based dependency parser with stack long short-term memory: using the context of a word in a sentence, and applying K-best decoding to expand the searching space. The experimental results show that the unlabeled and labeled attachment accuracies of our parser improve 0.70% and 0.87% over those of the baseline parser for English respectively, and are 0.82% and 0.86% higher than those of the baseline parser for Chinese respectively.

Original languageEnglish
Title of host publicationChinese Lexical Semantics - 17th Workshop, CLSW 2016, Revised Selected Papers
EditorsJingxia Lin, Xuri Tang, Minghui Dong
PublisherSpringer Verlag
Pages397-404
Number of pages8
ISBN (Print)9783319495071
DOIs
StatePublished - 2016
Event17th Chinese Lexical Semantics Workshop, CLSW 2016 - Singapore, Singapore
Duration: 20 May 201622 May 2016

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume10085 LNAI
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference17th Chinese Lexical Semantics Workshop, CLSW 2016
Country/TerritorySingapore
CitySingapore
Period20/05/1622/05/16

Keywords

  • Context enhancement
  • K-best decoding
  • LSTM
  • NLP
  • Transition-based dependency parsing

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