Chasing COMET: Leveraging Minimum Bayes Risk Decoding for Self-Improving Machine Translation

Fuente: arXiv
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Auteurs principaux: Guttmann, Kamil, Pokrywka, Mikołaj, Charkiewicz, Adrian, Nowakowski, Artur
Format: Preprint
Publié: 2024
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author Guttmann, Kamil
Pokrywka, Mikołaj
Charkiewicz, Adrian
Nowakowski, Artur
author_facet Guttmann, Kamil
Pokrywka, Mikołaj
Charkiewicz, Adrian
Nowakowski, Artur
contents This paper explores Minimum Bayes Risk (MBR) decoding for self-improvement in machine translation (MT), particularly for domain adaptation and low-resource languages. We implement the self-improvement process by fine-tuning the model on its MBR-decoded forward translations. By employing COMET as the MBR utility metric, we aim to achieve the reranking of translations that better aligns with human preferences. The paper explores the iterative application of this approach and the potential need for language-specific MBR utility metrics. The results demonstrate significant enhancements in translation quality for all examined language pairs, including successful application to domain-adapted models and generalisation to low-resource settings. This highlights the potential of COMET-guided MBR for efficient MT self-improvement in various scenarios.
format Preprint
id arxiv_https___arxiv_org_abs_2405_11937
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Chasing COMET: Leveraging Minimum Bayes Risk Decoding for Self-Improving Machine Translation
Guttmann, Kamil
Pokrywka, Mikołaj
Charkiewicz, Adrian
Nowakowski, Artur
Computation and Language
Artificial Intelligence
Machine Learning
This paper explores Minimum Bayes Risk (MBR) decoding for self-improvement in machine translation (MT), particularly for domain adaptation and low-resource languages. We implement the self-improvement process by fine-tuning the model on its MBR-decoded forward translations. By employing COMET as the MBR utility metric, we aim to achieve the reranking of translations that better aligns with human preferences. The paper explores the iterative application of this approach and the potential need for language-specific MBR utility metrics. The results demonstrate significant enhancements in translation quality for all examined language pairs, including successful application to domain-adapted models and generalisation to low-resource settings. This highlights the potential of COMET-guided MBR for efficient MT self-improvement in various scenarios.
title Chasing COMET: Leveraging Minimum Bayes Risk Decoding for Self-Improving Machine Translation
topic Computation and Language
Artificial Intelligence
Machine Learning
url https://arxiv.org/abs/2405.11937