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.CV2026

Mitigating Cross-Image Information Leakage in Multi-Image Understanding with Large Vision-Language Models

Yeji Park, Minyoung Lee, Sanghyuk Chun +1

Large Vision-Language Models (LVLMs) exhibit strong performance on single-image tasks. However, their performance degrades significantly when handling multi-image inputs. While thi…

cs.CV2026

Enhancing Multi-Image Understanding through Delimiter Token Scaling

Minyoung Lee, Yeji Park, Dongjun Hwang +3

Large Vision-Language Models (LVLMs) achieve strong performance on single-image tasks, but their performance declines when multiple images are provided as input. One major reason i…

cs.LG2026

Knowledge Vector Weakening: Efficient Training-free Unlearning for Large Vision-Language Models

Yejin Kim, Dongjun Hwang, Sungmin Cha +1

Large Vision-Language Models (LVLMs) are widely adopted for their strong multimodal capabilities, yet they raise serious concerns such as privacy leakage and harmful content genera…

cs.CL2026

Solar Open Technical Report

Sungrae Park, Sanghoon Kim, Jungho Cho +34

We introduce Solar Open, a 102B-parameter bilingual Mixture-of-Experts language model for underserved languages. Solar Open demonstrates a systematic methodology for building compe…

cs.LG2025

Improving Fisher Information Estimation and Efficiency for LoRA-based LLM Unlearning

Yejin Kim, Eunwon Kim, Buru Chang +1

LLMs have demonstrated remarkable performance across various tasks but face challenges related to unintentionally generating outputs containing sensitive information. A straightfor…