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A Transition-Based System for Joint Lexical and Syntactic Analysis
Univ Paris Diderot, Univ Paris Est, INRIA, Alpage,LIGM,UMR 8049, Paris, France.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.
2016 (English)In: PROCEEDINGS OF THE 54TH ANNUAL MEETING OF THE ASSOCIATION FOR COMPUTATIONAL LINGUISTICS, VOL 1 / [ed] Erk, K Smith, NA, 2016, p. 161-171Conference paper, Published paper (Refereed)
Abstract [en]

We present a transition-based system that jointly predicts the syntactic structure and lexical units of a sentence by building two structures over the input words: a syntactic dependency tree and a forest of lexical units including multiword expressions (MWEs). This combined representation allows us to capture both the syntactic and semantic structure of MWEs, which in turn enables deeper downstream semantic analysis, especially for semi-compositional MWEs. The proposed system extends the arc-standard transition system for dependency parsing with transitions for building complex lexical units. Experiments on two different data sets show that the approach significantly improves MWE identification accuracy (and sometimes syntactic accuracy) compared to existing joint approaches.

Place, publisher, year, edition, pages
2016. p. 161-171
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:uu:diva-400865DOI: 10.18653/v1/P16-1016ISI: 000493806800016OAI: oai:DiVA.org:uu-400865DiVA, id: diva2:1382610
Conference
54th Annual Meeting of the Association-for-Computational-Linguistics (ACL)
Available from: 2020-01-03 Created: 2020-01-03 Last updated: 2020-01-03Bibliographically approved

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Publisher's full texthttps://www.aclweb.org/anthology/P16-1016

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
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  • nn-NO
  • nn-NB
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Output format
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