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cs.CL2025

How Do LLMs Use Their Depth?

Akshat Gupta, Jay Yeung, Gopala Anumanchipalli +1

Growing evidence suggests that large language models do not use their depth uniformly, yet we still lack a fine-grained understanding of their layer-wise prediction dynamics. In th…

cs.CL2025

The Oracle Has Spoken: A Multi-Aspect Evaluation of Dialogue in Pythia

Zixun Chen, Petr Babkin, Akshat Gupta +2

Dialogue is one of the landmark abilities of large language models (LLMs). Despite its ubiquity, few studies actually distinguish specific ingredients underpinning dialogue behavio…

cs.CL2025

Disentangling Codemixing in Chats: The NUS ABC Codemixed Corpus

Svetlana Churina, Akshat Gupta, Insyirah Mujtahid +1

Code-mixing involves the seamless integration of linguistic elements from multiple languages within a single discourse, reflecting natural multilingual communication patterns. Desp…

cs.CL2025

Efficient Knowledge Editing via Minimal Precomputation

Akshat Gupta, Maochuan Lu, Thomas Hartvigsen +1

Knowledge editing methods like MEMIT are able to make data and compute efficient updates of factual knowledge by using a single sentence to update facts and their consequences. How…

cs.CL2025

Norm Growth and Stability Challenges in Localized Sequential Knowledge Editing

Akshat Gupta, Christine Fang, Atahan Ozdemir +4

This study investigates the impact of localized updates to large language models (LLMs), specifically in the context of knowledge editing - a task aimed at incorporating or modifyi…

cs.CL2025

Lifelong Knowledge Editing requires Better Regularization

Akshat Gupta, Phudish Prateepamornkul, Maochuan Lu +3

Knowledge editing is a promising way to improve factuality in large language models, but recent studies have shown significant model degradation during sequential editing. In this…