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Hongchuan Zeng

3 accepted papers

2025

Converging to a Lingua Franca: Evolution of Linguistic Regions and Semantics Alignment in Multilingual Large Language Models

COLING 2025main

Large language models (LLMs) have demonstrated remarkable performance, particularly in multilingual contexts. While recent studies suggest that LLMs can transfer skills learned in one language to others, the internal mechanisms behind this ability remain unclear. We observed that the neuron activati…

2025

Heads up! Large Language Models Can Perform Tasks Without Your Instruction via Selective Attention Head Masking

ICML 2025poster

Large language models (LLMs) consist of numerous Transformer modules, and while the models can perform various functions, it remains an open question of how these modules are combined to elicit distinct inherent functionalities. In this paper, we investigate the modules inside LLMs and demonstrate t…

2024

Multilingual Brain Surgeon: Large Language Models Can Be Compressed Leaving No Language behind

COLING 2024main

Large Language Models (LLMs) have ushered in a new era in Natural Language Processing, but their massive size demands effective compression techniques for practicality. Although numerous model compression techniques have been investigated, they typically rely on a calibration set that overlooks the…