mlsanityData to 14 Oct 2026

WeChat Neural Machine Translation Systems for WMT21

arXiv 2108.02401 ↗First posted 5 Aug 2021cs.CL cs.AIcited by 11

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Abstract (arXiv)

This paper introduces WeChat AI's participation in WMT 2021 shared news translation task on English->Chinese, English->Japanese, Japanese->English and English->German. Our systems are based on the Transformer (Vaswani et al., 2017) with several novel and effective variants. In our experiments, we employ data filtering, large-scale synthetic data generation (i.e., back-translation, knowledge distillation, forward-translation, iterative in-domain knowledge transfer), advanced finetuning approaches, and boosted Self-BLEU based model ensemble. Our constrained systems achieve 36.9, 46.9, 27.8 and 31.3 case-sensitive BLEU scores on English->Chinese, English->Japanese, Japanese->English and English->German, respectively. The BLEU scores of English->Chinese, English->Japanese and Japanese->English are the highest among all submissions, and that of English->German is the highest among all constrained submissions.

Key facts. Cited by 11 papers in the map (data through 14 Oct 2026). Builds on 21 of its 29 references that are in the map. First posted on arXiv 5 Aug 2021.

Builds on

21 of 29 references.

References · 21

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9 more
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Cited by year

Citing papers per year: 2021: 1; 2022: 4; 2023: 5; 2024: 1.

11 papers.

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  1. 2021Facebook AI WMT21 News Translation Task Submission
  2. 2021The NiuTrans Machine Translation Systems for WMT21
  3. 2024Choose the Final Translation from NMT and LLM hypotheses Using MBR Decoding: HW-TSC's Submission to the WMT24 General MT Shared Task
  4. 2021NVIDIA NeMo Neural Machine Translation Systems for English-German and English-Russian News and Biomedical Tasks at WMT21
  5. 2023Speech Translation with Foundation Models and Optimal Transport: UPC at IWSLT23
  6. 2021The USYD-JD Speech Translation System for IWSLT 2021
  7. 2022The RoyalFlush System for the WMT 2022 Efficiency Task
  8. 2022Improving Simultaneous Machine Translation with Monolingual Data