A Context-Aware Recurrent Encoder for Neural Machine Translation
A Context-Aware Recurrent Encoder for Neural Machine Translation
复制标题
用于神经机器翻译的上下文感知循环编码器
DOI:
10.1109/taslp.2017.2751420
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发表时间:
2017-12
期刊:
影响因子:
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通讯作者:
Hong Duan
中科院分区:
文献类型:
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作者:
Biao Zhang;Deyi Xiong;Jinsong Su;Hong Duan
Neural machine translation (NMT) heavily relies on its encoder to capture the underlying meaning of a source sentence so as to generate a faithful translation. However, most NMT encoders are built upon either unidirectional or bidirectional recurrent neural networks, which either do not deal with future context or simply concatenate the history and future context to form context-dependent word representations, implicitly assuming the independence of the two types of contextual information. In this paper, we propose a novel context-aware recurrent encoder (CAEncoder), as an alternative to the widely-used bidirectional encoder, such that the future and history contexts can be fully incorporated into the learned source representations. Our CAEncoder involves a two-level hierarchy: The bottom level summarizes the history information, whereas the upper level assembles the summarized history and future context into source representations. Additionally, CAEncoder is as efficient as the bidirectional RNN encoder in terms of both training and decoding. Experiments on both Chinese–English and English–German translation tasks show that CAEncoder achieves significant improvements over the bidirectional RNN encoder on a widely-used NMT system. 1
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DOI:
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发表时间:
2005
期刊:
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作者:
M. Snover;B. Dorr;R. Schwartz;Linnea Micciulla;R. Weischedel
通讯作者:
M. Snover;B. Dorr;R. Schwartz;Linnea Micciulla;R. Weischedel
DOI:
10.3115/1557769.1557821
发表时间:
2007-06
期刊:
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作者:
Philipp Koehn;Hieu T. Hoang;Alexandra Birch;Chris Callison-Burch;Marcello Federico;N. Bertoldi;Brooke Cowan
通讯作者:
Philipp Koehn;Hieu T. Hoang;Alexandra Birch;Chris Callison-Burch;Marcello Federico;N. Bertoldi;Brooke Cowan
DOI:
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发表时间:
2006
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作者:
M. Snover;B. Dorr;Richard M. Schwartz;Linnea Micciulla;J. Makhoul
通讯作者:
M. Snover;B. Dorr;Richard M. Schwartz;Linnea Micciulla;J. Makhoul
DOI:
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发表时间:
2014-05
期刊:
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作者:
C. Buck;Kenneth Heafield;B. V. Ooyen
通讯作者:
C. Buck;Kenneth Heafield;B. V. Ooyen
DOI:
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发表时间:
2004-07
期刊:
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影响因子:
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作者:
Philipp Koehn
通讯作者:
Philipp Koehn