collaborators

6 papers

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.CL2025

ZERA: Zero-init Instruction Evolving Refinement Agent -- From Zero Instructions to Structured Prompts via Principle-based Optimization

Seungyoun Yi, Minsoo Khang, Sungrae Park

Automatic Prompt Optimization (APO) improves large language model (LLM) performance by refining prompts for specific tasks. However, prior APO methods typically focus only on user…

cs.CL2025

CReSt: A Comprehensive Benchmark for Retrieval-Augmented Generation with Complex Reasoning over Structured Documents

Minsoo Khang, Sangjun Park, Teakgyu Hong +1

Large Language Models (LLMs) have made substantial progress in recent years, yet evaluating their capabilities in practical Retrieval-Augmented Generation (RAG) scenarios remains c…

cs.CL2025

System Message Generation for User Preferences using Open-Source Models

Minbyul Jeong, Jungho Cho, Minsoo Khang +2

System messages play a crucial role in interactions with large language models (LLMs), often serving as prompts to initiate conversations. Through system messages, users can assign…

cs.CL2025

KIEval: Evaluation Metric for Document Key Information Extraction

Minsoo Khang, Sang Chul Jung, Sungrae Park +1

Document Key Information Extraction (KIE) is a technology that transforms valuable information in document images into structured data, and it has become an essential function in i…

cs.CV2025

TFLOP: Table Structure Recognition Framework with Layout Pointer Mechanism

Minsoo Khang, Teakgyu Hong

Table Structure Recognition (TSR) is a task aimed at converting table images into a machine-readable format (e.g. HTML), to facilitate other applications such as information retrie…