Publications

Identifying and Mitigating Bottlenecks in Role-Playing Agents: A Systematic Study of Disentangling Character Profile Axes

Published in EMNLP 2026 Main

Authors: Yonghyun Jun*, Junhyuk Choi*, Jeonghyun Park, Jihyeong Park, Nicole Geumheon Liu, Hwanhee Lee

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Stride-k Subsampling: Train-Free Audio Token Reduction for Whisper

Published in EMNLP 2026 Main

Authors: Chanhee Cho*, Junhyuk Choi*, Bugeun Kim

MATE: Diagnosing Empathy Calibration Failures in Multi-Turn Human–LLM Interaction

Published in Findings of EMNLP 2026

Authors: Yeseon Hong, Junhyuk Choi, Minju Kim, Bugeun Kim

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Diagnosing the Reliability of LLM-as-a-Judge via Item Response Theory

Published in ICML 2026

Authors: Junhyuk Choi*, Sohhyung Park*, Chanhee Cho, Hyeonchu Park, Bugeun Kim

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Belief in Authority: Impact of Authority in Multi-Agent Evaluation Framework

Published in Findings of ACL 2026

Authors: Junhyuk Choi, Jeongyoun Kwon, Heeju Kim, Haeun Cho, Hayeong Jung, Sehee Min, Bugeun Kim†

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VoiceBBQ: Investigating Effect of Content and Acoustics in Social Bias of Spoken Language Model

Published in EMNLP 2025 Main

Authors: Junhyuk Choi, Ro-hoon Oh, Jihwan Seol, Bugeun Kim

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People Will Agree What I Think: Investigating LLM’s False Consensus Effect

Published in Findings of NAACL 2025

Authors: Junhyuk Choi, Yeseon Hong, Bugeun Kim

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Framing Matters: Addressing Framing Sensitivity in Decision-Making through Behaviorally-Grounded Value Alignment

Published in arXiv:2605.28188, presented at ICML 2026 Workshop on Pluralistic Alignment

Authors: Seojin Hwang, Minju Kim, Junhyuk Choi, JeongHyun Park, Hwanhee Lee

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Acoustic-based Gender Differentiation in Speech-aware Language Models

Published in arXiv:2509.21125

Authors: Junhyuk Choi, Jihwan Seol, Nayeon Kim, Chanhee Cho, EunBin Cho, Bugeun Kim

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Pay What LLM Wants: Can LLM Simulate Economics Experiment with 522 Real-human Persona?

Published in arXiv:2508.03262

Authors: Junhyuk Choi, Hyeonchu Park, Haemin Lee, Hyebeen Shin, Hyun Joung Jin, Bugeun Kim

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A Stereotype Content Analysis on Color-related Social Bias in Large Vision Language Models

Published in arXiv:2505.20901

Authors: Junhyuk Choi*, Minju Kim*, Yeseon Hong, Bugeun Kim

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Examining Identity Drift in Conversations of LLM Agents

Published in arXiv:2412.00804

Authors: Junhyuk Choi, Yeseon Hong, Minju Kim, Bugeun Kim

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