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Authors: Sylvain Raybaud ; Caroline Lavecchia ; David Langlois and Kamel Smaïli

Affiliation: LORIA, France

Keyword(s): Confidence measure, Statistical machine translation, Mutual information, Linguistic features language model, n-gram language model.

Related Ontology Subjects/Areas/Topics: Applications ; Artificial Intelligence ; Computational Intelligence ; Data Mining ; Databases and Information Systems Integration ; Enterprise Information Systems ; Evolutionary Computing ; Knowledge Discovery and Information Retrieval ; Knowledge Engineering and Ontology Development ; Knowledge-Based Systems ; Machine Learning ; Natural Language Processing ; Pattern Recognition ; Sensor Networks ; Signal Processing ; Soft Computing ; Symbolic Systems

Abstract: A confidence measure is able to estimate the reliability of an hypothesis provided by a machine translation system. The problem of confidence measure can be seen as a process of testing: we want to decide whether the most probable sequence of words provided by the machine translation system is correct or not. In the following we describe several original word-level confidence measures for machine translation, based on mutual information, n-gram language model and lexical features language model. We evaluate how well they perform individually or together, and show that using a combination of confidence measures based on mutual information yields a classification error rate as low as 25.1% with an F-measure of 0.708.

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Paper citation in several formats:
Raybaud, S.; Lavecchia, C.; Langlois, D. and Smaïli, K. (2009). NEW CONFIDENCE MEASURES FOR STATISTICAL MACHINE TRANSLATION. In Proceedings of the International Conference on Agents and Artificial Intelligence - ICAART; ISBN 978-989-8111-66-1; ISSN 2184-433X, SciTePress, pages 61-68. DOI: 10.5220/0001660600610068

@conference{icaart09,
author={Sylvain Raybaud. and Caroline Lavecchia. and David Langlois. and Kamel Smaïli.},
title={NEW CONFIDENCE MEASURES FOR STATISTICAL MACHINE TRANSLATION},
booktitle={Proceedings of the International Conference on Agents and Artificial Intelligence - ICAART},
year={2009},
pages={61-68},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001660600610068},
isbn={978-989-8111-66-1},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the International Conference on Agents and Artificial Intelligence - ICAART
TI - NEW CONFIDENCE MEASURES FOR STATISTICAL MACHINE TRANSLATION
SN - 978-989-8111-66-1
IS - 2184-433X
AU - Raybaud, S.
AU - Lavecchia, C.
AU - Langlois, D.
AU - Smaïli, K.
PY - 2009
SP - 61
EP - 68
DO - 10.5220/0001660600610068
PB - SciTePress