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Bilingual recursive neural network based data selection for statistical machine translation
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DOI：10.1016/j.knosys.2016.05.003.png)
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摘要
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Data selection is a widely used and effective solution to domain adaptation in statistical machine translation (SMT). The dominant methods are perplexity-based ones, which do not consider the mutual translations of sentence pairs and tend to select short sentences. In this paper, to address these problems, we propose bilingual semi-supervised recursive neural network data selection methods to differentiate domain-relevant data from out-domain data. The proposed methods are evaluated in the task of building domain-adapted SMT systems. We present extensive comparisons and show that the proposed methods outperform the state-of-the-art data selection approaches. (C) 2016 Elsevier B.V. All rights reserved.
Keyword:
Data selection
Machine translation
Domain adaptation
Recursive neural network
Autoencoder
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