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Arc-Hybrid Non-Proj...
Arc-Hybrid Non-Projective Dependency Parsing with a Static-Dynamic Oracle
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- de Lhoneux, Miryam, 1990- (author)
- Uppsala universitet,Institutionen för lingvistik och filologi,Computational Linguistics
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- Stymne, Sara, 1977- (author)
- Uppsala universitet,Institutionen för lingvistik och filologi,Computational Linguistics
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- Nivre, Joakim, 1962- (author)
- Uppsala universitet,Institutionen för lingvistik och filologi,Computational Linguistics
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(creator_code:org_t)
- Pisa, Italy : Association for Computational Linguistics, 2017
- 2017
- English.
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In: IWPT 2017 15th International Conference on Parsing Technologies. - Pisa, Italy : Association for Computational Linguistics. - 9781945626739 ; , s. 99-104
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Abstract
Subject headings
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- We extend the arc-hybrid transition system for dependency parsing with a SWAP transition that enables reordering of the words and construction of non-projective trees. Although this extension potentially breaks the arc-decomposability of the transition system, we show that the existing dynamic oracle can be modified and combined with a static oracle for the SWAP transition. Experiments on five languages with different degrees of non-projectivity show that the new system gives competitive accuracy and is significantly better than a system trained with a purely static oracle.
Subject headings
- NATURVETENSKAP -- Data- och informationsvetenskap -- Språkteknologi (hsv//swe)
- NATURAL SCIENCES -- Computer and Information Sciences -- Language Technology (hsv//eng)
Keyword
- dependency parsing dynamic oracles online reordering
- Computational Linguistics
- Datorlingvistik
Publication and Content Type
- ref (subject category)
- kon (subject category)
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