collaborators

6 papers

cs.CL2026

Dental-TriageBench: Benchmarking Multimodal Reasoning for Hierarchical Dental Triage

Ziyi He, Yushi Feng, Shuangyu Yang +7

Dental triage is a safety-critical clinical routing task that requires integrating multimodal clinical information (e.g., patient complaints and radiographic evidence) to determine…

cs.CL2026

Scaf-GRPO: Scaffolded Group Relative Policy Optimization for Enhancing LLM Reasoning

Xichen Zhang, Sitong Wu, Yinghao Zhu +4

Reinforcement learning from verifiable rewards has emerged as a powerful technique for enhancing the complex reasoning abilities of Large Language Models (LLMs). However, these met…

cs.CL2026

SearchGym: Bootstrapping Real-World Search Agents via Cost-Effective and High-Fidelity Environment Simulation

Xichen Zhang, Ziyi He, Yinghao Zhu +6

Search agents have emerged as a pivotal paradigm for solving open-ended, knowledge-intensive reasoning tasks. However, training these agents via Reinforcement Learning (RL) faces a…

cs.AI2025

MedAgentBoard: Benchmarking Multi-Agent Collaboration with Conventional Methods for Diverse Medical Tasks

Yinghao Zhu, Ziyi He, Haoran Hu +6

The rapid advancement of Large Language Models (LLMs) has stimulated interest in multi-agent collaboration for addressing complex medical tasks. However, the practical advantages o…

cs.CL2025

SmartSwitch: Advancing LLM Reasoning by Overcoming Underthinking via Promoting Deeper Thought Exploration

Xichen Zhang, Sitong Wu, Haoru Tan +4

The long chain-of-thought (LongCoT) capability is central to the recent breakthroughs achieved by large language models in complex reasoning tasks. However, the accompanying issue…

cs.AI2025

HealthFlow: A Self-Evolving AI Agent with Meta Planning for Autonomous Healthcare Research

Yinghao Zhu, Yifan Qi, Zixiang Wang +8

The rapid proliferation of scientific knowledge presents a grand challenge: transforming this vast repository of information into an active engine for discovery, especially in high…