collaborators

10 papers

cs.AI2026

OpenThoughts-Agent: Data Recipes for Agentic Models

Negin Raoof, Richard Zhuang, Marianna Nezhurina +47

Agentic language models dramatically expand the applications of AI yet little is publicly known about how to curate training data for broadly capable agents. Existing open efforts…

cs.AI2026

MolDeTox: Evaluating Language Model's Stepwise Fragment Editing for Molecular Detoxification

Jueon Park, Wonjune Jang, Jiwoo Lee +2

Large Language Models (LLMs) and Vision Language Models (VLMs) have recently shown promising capabilities in various scientific domain. In particular, these advances have opened ne…

cs.AI2026

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.AI2026

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 (…

q-bio.QM2026

ToxReason: A Benchmark for Mechanistic Chemical Toxicity Reasoning via Adverse Outcome Pathway

Jueon Park, Wonjune Jang, Chanhwi Kim +2

Recent advances in large language models (LLMs) have enabled molecular reasoning for property prediction. However, toxicity arises from complex biological mechanisms beyond chemica…

cs.LG2025

CoTox: Chain-of-Thought-Based Molecular Toxicity Reasoning and Prediction

Jueon Park, Yein Park, Minju Song +4

Drug toxicity remains a major challenge in pharmaceutical development. Recent machine learning models have improved in silico toxicity prediction, but their reliance on annotated d…