资源论文Domain Adaptive Inference for Neural Machine Translation

Domain Adaptive Inference for Neural Machine Translation

2019-09-19 | |  88 |   51 |   0 0 0
Abstract We investigate adaptive ensemble weighting for Neural Machine Translation, addressing the case of improving performance on a new and potentially unknown domain without sacrificing performance on the original domain. We adapt sequentially across two SpanishEnglish and three English-German tasks, comparing unregularized fine-tuning, L2 and Elastic Weight Consolidation. We then report a novel scheme for adaptive NMT ensemble decoding by extending Bayesian Interpolation with source information, and show strong improvements across test domains without access to the domain label.

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