Terminology-Aware Translation with Constrained Decoding and Large Language Model Prompting

Nikolay Bogoychev; Pinzhen Chen

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arXiv · 2310.05824

Terminology-Aware Translation with Constrained Decoding and Large Language Model Prompting

Nikolay Bogoychev·Pinzhen Chen

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Abstract

Terminology correctness is important in the downstream application of machine translation, and a prevalent way to ensure this is to inject terminology constraints into a translation system. In our submission to the WMT 2023 terminology translation task, we adopt a translate-then-refine approach which can be domain-independent and requires minimal manual efforts. We annotate random source words with pseudo-terminology translations obtained from word alignment to first train a terminology-aware model. Further, we explore two post-processing methods. First, we use an alignment process to discover whether a terminology constraint has been violated, and if so, we re-decode with the violating word negatively constrained. Alternatively, we leverage a large language model to refine a hypothesis by providing it with terminology constraints. Results show that our terminology-aware model learns to incorporate terminologies effectively, and the large language model refinement process can further improve terminology recall.

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BibTeX RIS

Nikolay Bogoychev, Pinzhen Chen. 2023-10-09. Terminology-Aware Translation with Constrained Decoding and Large Language Model Prompting. https://arxiv.org/abs/2310.05824

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