Rule-Based, Neural and LLM Back-Translation: Comparative Insights from a Variant of Ladin
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Abstract (arXiv)
This paper explores the impact of different back-translation approaches on machine translation for Ladin, specifically the Val Badia variant. Given the limited amount of parallel data available for this language (only 18k Ladin-Italian sentence pairs), we investigate the performance of a multilingual neural machine translation model fine-tuned for Ladin-Italian. In addition to the available authentic data, we synthesise further translations by using three different models: a fine-tuned neural model, a rule-based system developed specifically for this language pair, and a large language model. Our experiments show that all approaches achieve comparable translation quality in this low-resource scenario, yet round-trip translations highlight differences in model performance.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 15 of its 34 references that are in the map. First posted on arXiv 11 Jul 2024.
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15 of 34 references.
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Citing papers per year: 2025: 3; 2026: 2.
5 papers.
- 2025Bridging the Linguistic Divide: A Survey on Leveraging Large Language Models for Machine Translationcited by 8
- 2025Compensating for Data with Reasoning: Low-Resource Machine Translation with LLMscited by 2
- 2026Translation Asymmetry in LLMs as a Data Augmentation Factor: A Case Study for 6 Romansh Language Varietiescited by 2
- 2025Exploring NLP Benchmarks in an Extremely Low-Resource Settingcited by 0
- 2026A Factorial Study of Synthetic Data Generation for Low-Resource Machine Translation using Grammar Bookscited by 0
- 2026A Factorial Study of Synthetic Data Generation for Low-Resource Machine Translation using Grammar Books24 Jul 2026
- 2026Translation Asymmetry in LLMs as a Data Augmentation Factor: A Case Study for 6 Romansh Language Varieties26 Mar 2026
- 2025Exploring NLP Benchmarks in an Extremely Low-Resource Setting4 Sep 2025
- 2025Compensating for Data with Reasoning: Low-Resource Machine Translation with LLMs28 May 2025
- 2025Bridging the Linguistic Divide: A Survey on Leveraging Large Language Models for Machine Translation2 Apr 2025