Self-Paced Learning for Neural Machine Translation

• URL: http://arxiv.org/abs/2010.04505v2
• Date: Tue, 13 Oct 2020 09:02:09 GMT
• Title: Self-Paced Learning for Neural Machine Translation
• Authors: Yu Wan, Baosong Yang, Derek F. Wong, Yikai Zhou, Lidia S. Chao, Haibo Zhang, Boxing Chen
• Abstract summary: We propose self-paced learning for neural machine translation (NMT) training. We show that the proposed model yields better performance than strong baselines.
• Score: 55.41314278859938
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Recent studies have proven that the training of neural machine translation (NMT) can be facilitated by mimicking the learning process of humans. Nevertheless, achievements of such kind of curriculum learning rely on the quality of artificial schedule drawn up with the handcrafted features, e.g. sentence length or word rarity. We ameliorate this procedure with a more flexible manner by proposing self-paced learning, where NMT model is allowed to 1) automatically quantify the learning confidence over training examples; and 2) flexibly govern its learning via regulating the loss in each iteration step. Experimental results over multiple translation tasks demonstrate that the proposed model yields better performance than strong baselines and those models trained with human-designed curricula on both translation quality and convergence speed.

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