collaborators

15 papers

cs.AI2026

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

Junhyuk Choi, Sohhyung Park, Chanhee Cho +2

While LLM-as-a-Judge is widely used in automated evaluation, existing validation practices primarily operate at the level of observed outputs, offering limited insight into whether…

cs.SD2026

VorTEX: Various overlap ratio for Target speech EXtraction

Ro-hoon Oh, Jihwan Seol, Bugeun Kim

Target speech extraction (TSE) aims to recover a target speaker's voice from a mixture. While recent text-prompted approaches have shown promise, most approaches assume fully overl…

cs.SD2026

SPAM: Style Prompt Adherence Metric for Prompt-based TTS

Chanhee Cho, Nayeon Kim, Bugeun Kim

Prompt-based text-to-speech (TTS) aims to generate speech that adheres to fine-grained style cues provided in a text prompt. However, most prior works depend on neither plausible n…

cs.CL2026

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

Junhyuk Choi, Jeongyoun Kwon, Heeju Kim +4

Multi-agent systems utilizing large language models often assign authoritative roles to improve performance, yet the impact of authority bias on agent interactions remains underexp…

cs.AI2025

Fine-Grained and Thematic Evaluation of LLMs in Social Deduction Game

Byungjun Kim, Dayeon Seo, Minju Kim +1

Recent studies have investigated whether large language models (LLMs) can support obscured communication, which is characterized by core aspects such as inferring subtext and evadi…

cs.CL2025

Acoustic-based Gender Differentiation in Speech-aware Language Models

Junhyuk Choi, Jihwan Seol, Nayeon Kim +3

Speech-aware Language Models (SpeechLMs) have fundamentally transformed human-AI interaction by enabling voice-based communication, yet they may exhibit acoustic-based gender diffe…