collaborators

6 papers

cs.CL2026

Solar Open 2 Technical Report

Sungrae Park, Sanghoon Kim, Gyoungjin Gim +50

We present Solar Open 2, a 250B-A15B Mixture-of-Experts language model built for long-horizon agentic tasks, scaled up from Solar Open 1 (Solar Open 100B). To hold entire agent tra…

cs.CL2026

Causal Retrieval with Semantic Consideration

Hyunseo Shin, Wonseok Hwang

Recent advancements in large language models (LLMs) have significantly enhanced the performance of conversational AI systems. To extend their capabilities to knowledge-intensive do…

cs.CL2026

Layer-wise Swapping for Generalizable Multilingual Safety

Hyunseo Shin, Wonseok Hwang

Despite the rapid advancements of Large Language Models (LLMs), safety risks remain a critical challenge for low-resource languages. Existing safety datasets are predominantly Engl…

cs.CV2026

Do Vision Encoders Truly Explain Object Hallucination?: Mitigating Object Hallucination via Simple Fine-Grained CLIPScore

Hongseok Oh, Wonseok Hwang

Recently, Large Vision-Language Models (LVLMs) show remarkable performance across various domains. However, these models suffer from object hallucination. In this work, we study ob…

cs.CL2025

Does Alignment Tuning Really Break LLMs' Internal Confidence?

Hongseok Oh, Wonseok Hwang

Large Language Models (LLMs) have shown remarkable progress, but their real-world application necessitates reliable calibration. This study conducts a comprehensive analysis of cal…

cs.CL2025

On the Consideration of AI Openness: Can Good Intent Be Abused?

Yeeun Kim, Hyunseo Shin, Eunkyung Choi +3

Open source is a driving force behind scientific advancement.However, this openness is also a double-edged sword, with the inherent risk that innovative technologies can be misused…