Proceedings of the Second Conference on Machine Translation 2017
DOI: 10.18653/v1/w17-4716
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Guiding Neural Machine Translation Decoding with External Knowledge

Abstract: Differently from the phrase-based paradigm, neural machine translation (NMT) operates on word and sentence representations in a continuous space. This makes the decoding process not only more difficult to interpret, but also harder to influence with external knowledge. For the latter problem, effective solutions like the XML-markup used by phrase-based models to inject fixed translation options as constraints at decoding time are not yet available. We propose a "guide" mechanism that enhances an existing NMT d… Show more

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Cited by 76 publications
(47 citation statements)
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“…Different prefixes correspond to different decoder states and states are known to capture the remaining length of the translation (Shi et al, 2016). Our method extends over that of Chatterjee et al (2017), which scores constraints only once all necessary information is available in the decoded prefix. The resulting beam search then performs similarly to A* (Hart et al, 1968).…”
Section: Integration Of Dubbing Constraintsmentioning
confidence: 99%
“…Different prefixes correspond to different decoder states and states are known to capture the remaining length of the translation (Shi et al, 2016). Our method extends over that of Chatterjee et al (2017), which scores constraints only once all necessary information is available in the decoded prefix. The resulting beam search then performs similarly to A* (Hart et al, 1968).…”
Section: Integration Of Dubbing Constraintsmentioning
confidence: 99%
“…This involves an approach capable of simultaneously gathering knowledge from different SW resources for addressing the ambiguity of named entities, which can also alleviate the problem of OOV words. This insight relies on recent works [212,213], which have guided the usage of external knowledge in NMT systems for overcoming the vocabulary limitation of NN models. Also, we aim to create a method to structure natural language sentences into triples for supporting the generation task.…”
Section: Discussionmentioning
confidence: 99%
“…In a closely related work, Chatterjee et al (2017) present an approach that integrates external knowledge into an NMT decoder that prioritizes translation recommendations supplied by a termbank. Hokamp and Liu (2017) present grid beam search, a very general way to integrate external knowledge into a model's output without modifying the model parameters or training data.…”
Section: Related Workmentioning
confidence: 99%