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Improving machine translation quality prediction with syntactic tree kernels
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology. (Datorlingvistik)
2011 (English)In: Proceedings of the 15th conference of the European Association for Machine Translation (EAMT 2011) / [ed] Mikel L. Forcada, Heidi Depraetere, Vincent Vandeghinste, European Association for Machine Translation (EAMT), 2011, p. 233-240Conference paper, Published paper (Refereed)
Abstract [en]

We investigate the problem of predicting the quality of a given Machine Translation (MT) output segment as a binary classification task. In a study with four different data sets in two text genres and two language pairs, we show that the performance of a Support Vector Machine (SVM) classifier can be improved by extending the feature set with implicitly defined syntactic features in the form of tree kernels over syntactic parse trees. Moreover, we demonstrate that syntax tree kernels achieve surprisingly high performance levels even without additional features, which makes them suitable as a low-effort initial building block for an MT quality estimation system.

Place, publisher, year, edition, pages
European Association for Machine Translation (EAMT), 2011. p. 233-240
Keyword [en]
MT quality prediction, Tree kernels
National Category
Language Technology (Computational Linguistics)
Research subject
Computational Linguistics
Identifiers
URN: urn:nbn:se:uu:diva-162883OAI: oai:DiVA.org:uu-162883DiVA, id: diva2:462153
Conference
EAMT 2011, Leuven, Belgium, May 30, 2011 - May 31, 2011
Available from: 2011-12-06 Created: 2011-12-05 Last updated: 2018-01-12Bibliographically approved

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EAMT2011(632 kB)3016 downloads
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Hardmeier, Christian
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf