The Devil is in the Errors: Leveraging Large Language Models for Fine-grained Machine Translation Evaluation
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Abstract (arXiv)
Automatic evaluation of machine translation (MT) is a critical tool driving the rapid iterative development of MT systems. While considerable progress has been made on estimating a single scalar quality score, current metrics lack the informativeness of more detailed schemes that annotate individual errors, such as Multidimensional Quality Metrics (MQM). In this paper, we help fill this gap by proposing AutoMQM, a prompting technique which leverages the reasoning and in-context learning capabilities of large language models (LLMs) and asks them to identify and categorize errors in translations. We start by evaluating recent LLMs, such as PaLM and PaLM-2, through simple score prediction prompting, and we study the impact of labeled data through in-context learning and finetuning. We then evaluate AutoMQM with PaLM-2 models, and we find that it improves performance compared to just prompting for scores (with particularly large gains for larger models) while providing interpretability through error spans that align with human annotations.
Key facts. Cited by 95 papers in the map (data through 7 Oct 2026). Builds on 20 of its 36 references that are in the map. First posted on arXiv 14 Aug 2023.
Builds on
20 of 36 references.
References · 20
- 2020Language Models are Few-Shot Learnerscited by 32,199
- 2019Exploring the Limits of Transfer Learning with a Unified Text-to-Text Transformercited by 14,491
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- 2022PaLM: Scaling Language Modeling with Pathwayscited by 5,304
- 2019Unsupervised Cross-lingual Representation Learning at Scalecited by 3,907
- 2021Finetuned Language Models Are Zero-Shot Learnerscited by 3,747
- 2021Pre-train, Prompt, and Predict: A Systematic Survey of Prompting Methods in Natural Language Processingcited by 2,222
- 2023G-Eval: NLG Evaluation using GPT-4 with Better Human Alignmentcited by 2,205
- 2020mT5: A massively multilingual pre-trained text-to-text transformercited by 1,813
- 2020BLEURT: Learning Robust Metrics for Text Generationcited by 1,196
- 2023Large Language Models Are State-of-the-Art Evaluators of Translation Qualitycited by 416
- 2023Fine-Grained Human Feedback Gives Better Rewards for Language Model Trainingcited by 399
8 more
- 2021Experts, Errors, and Context: A Large-Scale Study of Human Evaluation for Machine Translationcited by 333
- 2022CometKiwi: IST-Unbabel 2022 Submission for the Quality Estimation Shared Taskcited by 205
- 2021To Ship or Not to Ship: An Extensive Evaluation of Automatic Metrics for Machine Translationcited by 161
- 2022Prompting PaLM for Translation: Assessing Strategies and Performancecited by 144
- 2023Error Analysis Prompting Enables Human-Like Translation Evaluation in Large Language Modelscited by 87
- 2023Bridging the Gap: A Survey on Integrating (Human) Feedback for Natural Language Generationcited by 55
- 2023Multi-Dimensional Evaluation of Text Summarization with In-Context Learningcited by 44
- 2022T5Score: Discriminative Fine-tuning of Generative Evaluation Metricscited by 18
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Citing papers per year: 2023: 10; 2024: 34; 2025: 32; 2026: 19.
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