activity
20242026
collaborators

14 papers

cs.CV2026

MEDVISTAGYM: A Scalable Training Environment for Thinking with Medical Images via Tool-Integrated Reinforcement Learning

Meng Lu, Yuxing Lu, Yuchen Zhuang +6

Vision language models (VLMs) achieve strong performance on general image understanding but struggle to think with medical images, especially when performing multi-step reasoning t…

cs.AI2025

DaGRPO: Rectifying Gradient Conflict in Reasoning via Distinctiveness-Aware Group Relative Policy Optimization

Xuan Xie, Xuan Wang, Wenjie Wang +2

The evolution of Large Language Models (LLMs) has catalyzed a paradigm shift from superficial instruction following to rigorous long-horizon reasoning. While Group Relative Policy…

cs.IR2025

DeepEvidence: Empowering Biomedical Discovery with Deep Knowledge Graph Research

Zifeng Wang, Zheng Chen, Ziwei Yang +5

Biomedical knowledge graphs (KGs) encode vast, heterogeneous information spanning literature, genes, pathways, drugs, diseases, and clinical trials, but leveraging them collectivel…

cs.AI2025

Scaling Agentic Reinforcement Learning for Tool-Integrated Reasoning in VLMs

Meng Lu, Ran Xu, Yi Fang +14

While recent vision-language models (VLMs) demonstrate strong image understanding, their ability to "think with images", i.e., to reason through multi-step visual interactions, rem…

cs.CL2025

LLM4Cell: A Survey of Large Language and Agentic Models for Single-Cell Biology

Sajib Acharjee Dip, Adrika Zafor, Bikash Kumar Paul +4

Large language models (LLMs) and emerging agentic frameworks are beginning to transform single-cell biology by enabling natural-language reasoning, generative annotation, and multi…

cs.AI2025

JudgeBoard: Benchmarking and Enhancing Small Language Models for Reasoning Evaluation

Zhenyu Bi, Gaurav Srivastava, Yang Li +4

While small language models (SLMs) have shown promise on various reasoning tasks, their ability to judge the correctness of answers remains unclear compared to large language model…