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Arijit Nag

4 accepted papers

2025

Efficient Continual Pre-training of LLMs for Low-resource Languages

NAACL 2025industry

Open-source large language models (Os-LLMs) propel the democratization of natural language research by giving the flexibility to augment or update model parameters for performance improvement. Nevertheless, like proprietary LLMs, Os-LLMs offer poorer performance on low-resource languages (LRLs) than…

Cited by 2SourcePDFScholar
2025

MutantPrompt: Prompt Optimization via Mutation Under a Budget on Modest-sized LMs

ACL 2025finding

Prompts serve as a critical instruction interface to unlock the diverse capabilities of Large Language Models (LLMs), thus directly influencing the quality of their outputs. While prompt engineering has shown great promise, identifying optimal prompts remains a significant challenge, particularly fo…

Cited by 0SourcePDFScholar
2024

Cost-Performance Optimization for Processing Low-Resource Language Tasks Using Commercial LLMs

EMNLP 2024finding

Large Language Models (LLMs) exhibit impressive zero/few-shot inference and generation quality for high-resource languages (HRLs). A few of them have been trained on low-resource languages (LRLs) and give decent performance. Owing to the prohibitive costs of training LLMs, they are usually used as a…

2023

Entropy-guided Vocabulary Augmentation of Multilingual Language Models for Low-resource Tasks

ACL 2023findings

Multilingual language models (MLLMs) like mBERTpromise to extend the benefits of NLP research to low-resource languages (LRLs). However, LRL words are under-represented in the wordpiece/subword vocabularies of MLLMs. This leads to many LRL words getting replaced by UNK, or concatenated from morpholo…