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Does GIZA++ Make Search Errors?

delete2010-09-01
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OA
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S
Sujith Ravi *
K
Kevin Knight
DOI:10.1162/coli_a_00008delete
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Abstract

Abstract

En 中文
Word alignment is a critical procedure within statistical machine translation (SMT). Brown et al. (1993) have provided the most popular word alignment algorithm to date, one that has been implemented in the GIZA (Al-Onaizan et al. 1999) and GIZA++ (Och and Ney 2003) software and adopted by nearly every SMT project. In this article, we investigate whether this algorithm makes search errors when it computes Viterbi alignments, that is, whether it returns alignments that are sub-optimal according to a trained model.
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Journal

Computational Linguistics cover
Computational Linguistics
IF:
5.3
Papers:
837
Citations:
2.7K

Organization

U
university of southern california
Scholars:
4.6W
Papers: 3.8W
Citations: 51