CTQScorer: Combining Multiple Features for In-context Example Selection for Machine Translation
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Abstract (arXiv)
Large language models have demonstrated the capability to perform on machine translation when the input is prompted with a few examples (in-context learning). Translation quality depends on various features of the selected examples, such as their quality and relevance, but previous work has predominantly focused on individual features in isolation. In this paper, we propose a general framework for combining different features influencing example selection. We learn a regression model, CTQ Scorer (Contextual Translation Quality), that selects examples based on multiple features in order to maximize the translation quality. On multiple language pairs and language models, we show that CTQ Scorer helps significantly outperform random selection as well as strong single-factor baselines reported in the literature. We also see an improvement of over 2.5 COMET points on average with respect to a strong BM25 retrieval-based baseline.
Key facts. Cited by 12 papers in the map (data through 14 Oct 2026). Builds on 22 of its 37 references that are in the map. First posted on arXiv 23 May 2023.
Builds on
22 of 37 references.
References · 22
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10 more
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Built on by
Citing papers per year: 2024: 10; 2025: 2.
12 papers.
- 2024Low-Resource Machine Translation through Retrieval-Augmented LLM Prompting: A Study on the Mambai Languagecited by 12
- 2024Monotonic Paraphrasing Improves Generalization of Language Model Promptingcited by 10
- 2024An Empirical Study of In-context Learning in LLMs for Machine Translationcited by 9
- 2024FamiCom: Further Demystifying Prompts for Language Models with Task-Agnostic Performance Estimationcited by 8
- 2025Bridging the Linguistic Divide: A Survey on Leveraging Large Language Models for Machine Translationcited by 8
- 2024Retrieving Examples from Memory for Retrieval Augmented Neural Machine Translation: A Systematic Comparisoncited by 7
- 2024Large Language Models Might Not Care What You Are Saying: Prompt Format Beats Descriptionscited by 2
- 2025Exploring In-context Example Generation for Machine Translationcited by 2
- 2024SCOI: Syntax-augmented Coverage-based In-context Example Selection for Machine Translationcited by 1
- 2024Effective Self-Mining of In-Context Examples for Unsupervised Machine Translation with LLMscited by 1
- 2024Going Beyond Word Matching: Syntax Improves In-context Example Selection for Machine Translationcited by 0
- 2024Guiding In-Context Learning of LLMs through Quality Estimation for Machine Translationcited by 0
- 2025Exploring In-context Example Generation for Machine Translation31 May 2025
- 2025Bridging the Linguistic Divide: A Survey on Leveraging Large Language Models for Machine Translation2 Apr 2025
- 2024Effective Self-Mining of In-Context Examples for Unsupervised Machine Translation with LLMs14 Oct 2024
- 2024Large Language Models Might Not Care What You Are Saying: Prompt Format Beats Descriptions16 Aug 2024
- 2024SCOI: Syntax-augmented Coverage-based In-context Example Selection for Machine Translation9 Aug 2024
- 2024FamiCom: Further Demystifying Prompts for Language Models with Task-Agnostic Performance Estimation17 Jun 2024
- 2024Guiding In-Context Learning of LLMs through Quality Estimation for Machine Translation12 Jun 2024
- 2024Low-Resource Machine Translation through Retrieval-Augmented LLM Prompting: A Study on the Mambai Language7 Apr 2024
- 2024Retrieving Examples from Memory for Retrieval Augmented Neural Machine Translation: A Systematic Comparison3 Apr 2024
- 2024Going Beyond Word Matching: Syntax Improves In-context Example Selection for Machine Translation28 Mar 2024
- 2024Monotonic Paraphrasing Improves Generalization of Language Model Prompting24 Mar 2024
- 2024An Empirical Study of In-context Learning in LLMs for Machine Translation22 Jan 2024