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A Loss-Augmented Approach to Training Syntactic Machine Translation Systems
Xiao, T1; Wong, DF2; Zhu, JB1
2016
Source PublicationIEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING
ISSN2329-9290
Volume24Issue:11Pages:2069-2083
Abstract

Current syntactic machine translation (MT) systems implicitly use beam-width unlimited search in learning model parameters (e.g., feature values for each translation rule). However, a limited beam-width has to be adopted in decoding new sentences, and the MT output is in general evaluated by various metrics, such as BLEU and TER. In this paper, we address: 1) the mismatch of adopted beam-widths between training and decoding; and 2) the mismatch of training criteria and MT evaluation metrics. Unlike previous work, we model the two problems in a single training paradigm simultaneously. We design a loss-augmented approach that explicitly considers the limited beam-width and evaluation metric in training, and present a simple but effective method to learn the model. By using beam search and BLEU-related losses, our approach improves a state-of-the-art syntactic MT system by + 1.0 BLEU on Chinese-to-English and English-to-Chinese translation tasks. It even outperforms seven previous training approaches over 0.8 BLEU points. More interestingly, promising improvements are observed when our approach works with TER.

KeywordLoss-augmented Training Syntax-based Model Machine Translation
DOI10.1109/TASLP.2016.2594383
Indexed BySCIE
Language英語English
WOS Research AreaAcoustics ; Engineering
WOS SubjectAcoustics ; Engineering, Electrical & Electronic
WOS IDWOS:000382677800016
Scopus ID2-s2.0-84987739835
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Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Affiliation1.Northeastern Univ, Coll Comp Sci & Engn, Shenyang 110004, Peoples R China
2.Univ Macau, Dept Comp & Informat Sci, Macau 999078, Peoples R China
Recommended Citation
GB/T 7714
Xiao, T,Wong, DF,Zhu, JB. A Loss-Augmented Approach to Training Syntactic Machine Translation Systems[J]. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, 2016, 24(11), 2069-2083.
APA Xiao, T., Wong, DF., & Zhu, JB (2016). A Loss-Augmented Approach to Training Syntactic Machine Translation Systems. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, 24(11), 2069-2083.
MLA Xiao, T,et al."A Loss-Augmented Approach to Training Syntactic Machine Translation Systems".IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING 24.11(2016):2069-2083.
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