collaborators

5 papers

cs.AI2026

Lifted State Hypothesis in Large Language Models

Bumjin Park, Jaesik Choi

Large language models (LLMs) adapt rapidly through fine-tuning and in-context learning, yet it remains unclear which inputs they treat as the same case and why their predictions ch…

cs.AI2026

Incomplete Prompt Jailbreaks in Large Language Models

Yeonjea Kim, Bumjin Park, Jaesik Choi

Large language models (LLMs) are increasingly released as open-weight models with safeguards against harmful requests. Nevertheless, sentence completion remains vulnerable to incom…

cs.CL2026

K-MetBench: A Multi-Dimensional Benchmark for Fine-Grained Evaluation of Expert Reasoning, Locality, and Multimodality in Meteorology

Soyeon Kim, Cheongwoong Kang, Myeongjin Lee +3

The development of practical (multimodal) large language model assistants for Korean weather forecasters is hindered by the absence of a multidimensional, expert-level evaluation f…

cs.CL2025

Deontological Keyword Bias: The Impact of Modal Expressions on Normative Judgments of Language Models

Bumjin Park, Jinsil Lee, Jaesik Choi

Large language models (LLMs) are increasingly engaging in moral and ethical reasoning, where criteria for judgment are often unclear, even for humans. While LLM alignment studies c…

cs.LG2025

Neural ODE Transformers: Analyzing Internal Dynamics and Adaptive Fine-tuning

Anh Tong, Thanh Nguyen-Tang, Dongeun Lee +5

Recent advancements in large language models (LLMs) based on transformer architectures have sparked significant interest in understanding their inner workings. In this paper, we in…