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arXiv · 2411.00727

SPRING Lab IITM's submission to Low Resource Indic Language Translation Shared Task

Hamees Sayed·Advait Joglekar·Srinivasan Umesh
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Abstract

We develop a robust translation model for four low-resource Indic languages: Khasi, Mizo, Manipuri, and Assamese. Our approach includes a comprehensive pipeline from data collection and preprocessing to training and evaluation, leveraging data from WMT task datasets, BPCC, PMIndia, and OpenLanguageData. To address the scarcity of bilingual data, we use back-translation techniques on monolingual datasets for Mizo and Khasi, significantly expanding our training corpus. We fine-tune the pre-trained NLLB 3.3B model for Assamese, Mizo, and Manipuri, achieving improved performance over the baseline. For Khasi, which is not supported by the NLLB model, we introduce special tokens and train the model on our Khasi corpus. Our training involves masked language modelling, followed by fine-tuning for English-to-Indic and Indic-to-English translations.

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Hamees Sayed, Advait Joglekar, Srinivasan Umesh. 2024-11-11. SPRING Lab IITM's submission to Low Resource Indic Language Translation Shared Task. https://arxiv.org/abs/2411.00727

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