Zero at SemEval-2025 Task 2: Entity-Aware Machine Translation: Fine-Tuning NLLB for Improved Named Entity Translation

Revanth Gundam, Abhinav Marri, Advaith Malladi, Radhika Mamidi


Abstract
Machine Translation (MT) is an essential tool for communication amongst people across different cultures, yet Named Entity (NE) translation remains a major challenge due to its rarity in occurrence and ambiguity. Traditional approaches, like using lexicons or parallel corpora, often fail to generalize to unseen entities, and hence do not perform well. To address this, we create a silver dataset using the Google Translate API and fine-tune the facebook/nllb200-distilled-600M model with LoRA (LowRank Adaptation) to enhance translation accuracy while also maintaining efficient memory use. Evaluated with metrics such as BLEU, COMET, and M-ETA, our results show that fine-tuning a specialized MT model improves NE translation without having to rely on largescale general-purpose models.
Anthology ID:
2025.semeval-1.157
Volume:
Proceedings of the 19th International Workshop on Semantic Evaluation (SemEval-2025)
Month:
July
Year:
2025
Address:
Vienna, Austria
Editors:
Sara Rosenthal, Aiala Rosá, Debanjan Ghosh, Marcos Zampieri
Venues:
SemEval | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
1187–1191
Language:
URL:
https://preview.aclanthology.org/transition-to-people-yaml/2025.semeval-1.157/
DOI:
Bibkey:
Cite (ACL):
Revanth Gundam, Abhinav Marri, Advaith Malladi, and Radhika Mamidi. 2025. Zero at SemEval-2025 Task 2: Entity-Aware Machine Translation: Fine-Tuning NLLB for Improved Named Entity Translation. In Proceedings of the 19th International Workshop on Semantic Evaluation (SemEval-2025), pages 1187–1191, Vienna, Austria. Association for Computational Linguistics.
Cite (Informal):
Zero at SemEval-2025 Task 2: Entity-Aware Machine Translation: Fine-Tuning NLLB for Improved Named Entity Translation (Gundam et al., SemEval 2025)
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PDF:
https://preview.aclanthology.org/transition-to-people-yaml/2025.semeval-1.157.pdf