GrammaMT: Improving Machine Translation with Grammar-Informed In-Context Learning
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Abstract (arXiv)
We introduce GrammaMT, a grammatically-aware prompting approach for machine translation that uses Interlinear Glossed Text (IGT), a common form of linguistic description providing morphological and lexical annotations for source sentences. GrammaMT proposes three prompting strategies: gloss-shot, chain-gloss and model-gloss. All are training-free, requiring only a few examples that involve minimal effort to collect, and making them well-suited for low-resource setups. Experiments show that GrammaMT enhances translation performance on open-source instruction-tuned LLMs for various low- to high-resource languages across three benchmarks: (1) the largest IGT corpus, (2) the challenging 2023 SIGMORPHON Shared Task data over endangered languages, and (3) even in an out-of-domain setting with FLORES. Moreover, ablation studies reveal that leveraging gloss resources could substantially boost MT performance (by over 17 BLEU points) if LLMs accurately generate or access input sentence glosses.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Builds on 23 of its 39 references that are in the map. First posted on arXiv 24 Oct 2024.
Builds on
23 of 39 references.
References · 23
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11 more
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Citing papers per year: 2025: 3; 2026: 2.
5 papers.
- 2025LingGym: How Far Are LLMs from Thinking Like Field Linguists?cited by 6
- 2025Read it in Two Steps: Translating Extremely Low-Resource Languages with Code-Augmented Grammar Bookscited by 4
- 2026Massively Multilingual Joint Segmentation and Glossingcited by 1
- 2025Testing the Limits of Machine Translation from One Bookcited by 0
- 2026Rashid: A Cipher-Based Framework for Exploring In-Context Language Learningcited by 0
- 2026Rashid: A Cipher-Based Framework for Exploring In-Context Language Learning23 Mar 2026
- 2026Massively Multilingual Joint Segmentation and Glossing16 Jan 2026
- 2025LingGym: How Far Are LLMs from Thinking Like Field Linguists?1 Nov 2025
- 2025Testing the Limits of Machine Translation from One Book8 Aug 2025
- 2025Read it in Two Steps: Translating Extremely Low-Resource Languages with Code-Augmented Grammar Books2 Jun 2025