Detecting Cross-Lingual Semantic Divergence for Neural Machine Translation

WS 2017  ·  Marine Carpuat, Yogarshi Vyas, Xing Niu ·

Parallel corpora are often not as parallel as one might assume: non-literal translations and noisy translations abound, even in curated corpora routinely used for training and evaluation. We use a cross-lingual textual entailment system to distinguish sentence pairs that are parallel in meaning from those that are not, and show that filtering out divergent examples from training improves translation quality.

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