A simple roadway control system for freeway traffic. - Jianlong Zhang; Hwan Chang; Petros A. Ioannou (ACC, 2006)

Which Retain Set Matters for LLM Unlearning? A Case Study on Entity Unlearning. - Hwan Chang; Hwanhee Lee (ACL (Findings), 2025)

Probing-RAG: Self-Probing to Guide Language Models in Selective Document Retrieval. - Ingeol Baek; Hwan Chang; Byeongjeong Kim; Jimin Lee 001; Hwanhee Lee (NAACL (Findings), 2025)

Hallucinate at the Last in Long Response Generation: A Case Study on Long Document Summarization. - Joonho Yang; Seunghyun Yoon 002; Hwan Chang; Byeongjeong Kim; Hwanhee Lee (CoRR, 2025)

Keep Security! Benchmarking Security Policy Preservation in Large Language Model Contexts Against Indirect Attacks in Question Answering. - Hwan Chang; Yumin Kim; Yonghyun Jun; Hwanhee Lee (CoRR, 2025)

How Do Large Vision-Language Models See Text in Image? Unveiling the Distinctive Role of OCR Heads. - Ingeol Baek; Hwan Chang; Sunghyun Ryu; Hwanhee Lee (CoRR, 2025)