activity
20242026
most citedPubMed knowledge graph 2.0: Connecting papers, patents, and clinical trials in biomedical science

19 citations · 37 across the 23 of their papers we have counts for

collaborators

25 papers

cs.AI2026

Learning How to Remember: Memory Modality Selection for GUI Agents

Taeyun Roh, Suhyeong Park, Gijin Kim +2

Recent advances in vision-language models (VLMs) have substantially improved the capabilities of GUI agents, while memory augmentation has emerged as a promising approach for reusi…

cs.CL2026

UltraBERT: Beyond the Limit of BERT Pre-Training

Jungwoo Park, Taewhoo Lee, Jaewoo Kang

Recent bidirectional encoders have been modernized with innovations from causal large language models (LLMs). However, the pretraining recipe itself remains inherited from small-sc…

cs.AI2026

Reason Through the Latent! Making Latent Visual Reasoning Necessary

Suhyeong Park, Junha Jung, Jaewoo Kang

Latent visual reasoning aims to perform multimodal reasoning through hidden-state computation rather than explicit textual chains of thought. However, visual information being pres…

cs.CL2026

Enhancing Low-Resource Language Reasoning via High-Resource Language Feature Transfer

Minju Song, Hyeon Hwang, Junhyun Lee +1

Large language models exhibit substantial performance variation across languages, even when solving semantically equivalent tasks. Existing analyses often treat this phenomenon as…

cs.CL2026

HealMed: Multilingual Evaluation of Large Language Models in Medicine

Yingjian Chen, Fan Gao, Sherry T. Tong +42

We present HealMed, an expert-reviewed benchmark for multilingual evaluation of large language models in medicine. HealMed contains 1,000 examples in each of nine languages, drawn…

cs.CL2026

From Voting to Agent Collaboration: Answer-Type-Aware LLM Pipelines for BioASQ 14b

Taeyun Roh, Eunha Lee, Wonjune Jang +3

Biomedical question answering requires not only accurate extraction of information from scientific literature but also reliable integration of evidence across multiple documents. T…

cs.IR2026

Do All Visual Tokens Matter Equally? Object-Evidence Preserving Token Merging for Vision-Language Retrieval

Suhyeong Park, Junha Jung, Jungwoo Park +1

Multi-vector vision-language retrieval preserves fine-grained visual evidence through maximum-similarity late interaction, but dense image-side tokens make storage and scoring expe…

cs.CV2026

Breaking Failure Cascades: Step-Aware Reinforcement Learning for Medical Multimodal Reasoning

Junha Jung, Minbyul Jeong, Suhyeon Lim +5

Recent multimodal large language models have shown great promise in clinical image reasoning, but existing post-training pipelines remain predominantly outcome-centric, relying on…

cs.CL2026

Teaching Language Models to Think in Code

Hyeon Hwang, Jiwoo Lee, Jaewoo Kang

Tool-integrated reasoning (TIR) has emerged as a dominant paradigm for mathematical problem solving in language models, combining natural language (NL) reasoning with code executio…

cs.CL2025

The Curious Case of Analogies: Investigating Analogical Reasoning in Large Language Models

Taewhoo Lee, Minju Song, Chanwoong Yoon +2

Analogical reasoning is at the core of human cognition, serving as an important foundation for a variety of intellectual activities. While prior work has shown that LLMs can repres…

cs.AI2025

ASGuard: Activation-Scaling Guard to Mitigate Targeted Jailbreaking Attack

Yein Park, Jungwoo Park, Jaewoo Kang

Large language models (LLMs), despite being safety-aligned, exhibit brittle refusal behaviors that can be circumvented by simple linguistic changes. As tense jailbreaking demonstra…

cs.AI2025

Thinking Sparks!: Emergent Attention Heads in Reasoning Models During Post Training

Yein Park, Minbyul Jeong, Jaewoo Kang

The remarkable capabilities of modern large reasoning models are largely unlocked through post-training techniques such as supervised fine-tuning (SFT) and reinforcement learning (…

cs.LG2025

Outlier-Safe Pre-Training for Robust 4-Bit Quantization of Large Language Models

Jungwoo Park, Taewhoo Lee, Chanwoong Yoon +2

Extreme activation outliers in Large Language Models (LLMs) critically degrade quantization performance, hindering efficient on-device deployment. While channel-wise operations and…

cs.CL2025

Does Time Have Its Place? Temporal Heads: Where Language Models Recall Time-specific Information

Yein Park, Chanwoong Yoon, Jungwoo Park +2

While the ability of language models to elicit facts has been widely investigated, how they handle temporally changing facts remains underexplored. We discover Temporal Heads, spec…

cs.AI2024

Monet: Mixture of Monosemantic Experts for Transformers

Jungwoo Park, Young Jin Ahn, Kee-Eung Kim +1

Understanding the internal computations of large language models (LLMs) is crucial for aligning them with human values and preventing undesirable behaviors like toxic content gener…

cs.CL2024★ 7 cited

Rationale-Guided Retrieval Augmented Generation for Medical Question Answering

Jiwoong Sohn, Yein Park, Chanwoong Yoon +5

Large language models (LLM) hold significant potential for applications in biomedicine, but they struggle with hallucinations and outdated knowledge. While retrieval-augmented gene…

cs.CL2024

ETHIC: Evaluating Large Language Models on Long-Context Tasks with High Information Coverage

Taewhoo Lee, Chanwoong Yoon, Kyochul Jang +4

Recent advancements in large language models (LLM) capable of processing extremely long texts highlight the need for a dedicated evaluation benchmark to assess their long-context c…

cs.CL2024

ChroKnowledge: Unveiling Chronological Knowledge of Language Models in Multiple Domains

Yein Park, Chanwoong Yoon, Jungwoo Park +3

Large language models (LLMs) have brought significant changes to many aspects of our lives. However, assessing and ensuring their chronological knowledge remains challenging. Exist…

cs.DL2024★ 19 cited

PubMed knowledge graph 2.0: Connecting papers, patents, and clinical trials in biomedical science

Jian Xu, Chao Yu, Jiawei Xu +6

Papers, patents, and clinical trials are essential scientific resources in biomedicine, crucial for knowledge sharing and dissemination. However, these documents are often stored i…

cs.CL2024

LAPIS: Language Model-Augmented Police Investigation System

Heedou Kim, Dain Kim, Jiwoo Lee +4

Crime situations are race against time. An AI-assisted criminal investigation system, providing prompt but precise legal counsel is in need for police officers. We introduce LAPIS…

cs.CL2024

CompAct: Compressing Retrieved Documents Actively for Question Answering

Chanwoong Yoon, Taewhoo Lee, Hyeon Hwang +2

Retrieval-augmented generation supports language models to strengthen their factual groundings by providing external contexts. However, language models often face challenges when g…

cs.CL2024★ 2 cited

OLAPH: Improving Factuality in Biomedical Long-form Question Answering

Minbyul Jeong, Hyeon Hwang, Chanwoong Yoon +2

In the medical domain, numerous scenarios necessitate the long-form generation ability of large language models (LLMs). Specifically, when addressing patients' questions, it is ess…

cs.AI2024

CookingSense: A Culinary Knowledgebase with Multidisciplinary Assertions

Donghee Choi, Mogan Gim, Donghyeon Park +4

This paper introduces CookingSense, a descriptive collection of knowledge assertions in the culinary domain extracted from various sources, including web data, scientific papers, a…

cs.CL2024★ 5 cited

Small Language Models Learn Enhanced Reasoning Skills from Medical Textbooks

Hyunjae Kim, Hyeon Hwang, Jiwoo Lee +7

While recent advancements in commercial large language models (LM) have shown promising results in medical tasks, their closed-source nature poses significant privacy and security…