Safe-Embed: Unveiling the Safety-Critical Knowledge of Sentence Encoders. - Jinseok Kim; Jaewon Jung 002; Sangyeop Kim 001; Sohyung Park; Sungzoon Cho (CoRR, 2024)

What Really Matters in Many-Shot Attacks? An Empirical Study of Long-Context Vulnerabilities in LLMs. - Sangyeop Kim 001; Yohan Lee; Yongwoo Song; Kimin Lee (ACL (1), 2025)

EXPERT: An Explainable Image Captioning Evaluation Metric with Structured Explanations. - Hyunjong Kim; Sangyeop Kim 001; Jongheon Jeong; Yeongjae Cho; Sungzoon Cho (ACL (Findings), 2025)

HEISIR: Hierarchical Expansion of Inverted Semantic Indexing for Training-free Retrieval of Conversational Data using LLMs. - Sangyeop Kim 001; Hangyeul Lee; Yohan Lee (NAACL (Findings), 2025)

LLM-guided Plan and Retrieval: A Strategic Alignment for Interpretable User Satisfaction Estimation in Dialogue. - Sangyeop Kim 001; Sohhyung Park; Jaewon Jung 002; Jinseok Kim; Sungzoon Cho (NAACL (Long Papers), 2025)

Human-guided collective LLM intelligence for strategic planning via two-stage information retrieval. - Sangyeop Kim 001; Junguk Ha; Hangyeul Lee; Sohhyung Park; Sungzoon Cho (Inf. Process. Manag., 2026)