collaborators

9 papers

cs.AI2026

EvoClinician: A Self-Evolving Agent for Multi-Turn Medical Diagnosis via Test-Time Evolutionary Learning

Yufei He, Juncheng Liu, Zhiyuan Hu +9

Prevailing medical AI operates on an unrealistic ''one-shot'' model, diagnosing from a complete patient file. However, real-world diagnosis is an iterative inquiry where Clinicians…

cs.LG2025

One-Step Generative Policies with Q-Learning: A Reformulation of MeanFlow

Zeyuan Wang, Da Li, Yulin Chen +4

We introduce a one-step generative policy for offline reinforcement learning that maps noise directly to actions via a residual reformulation of MeanFlow, making it compatible with…

cs.LG2025

Enabling Self-Improving Agents to Learn at Test Time With Human-In-The-Loop Guidance

Yufei He, Ruoyu Li, Alex Chen +8

Large language model (LLM) agents often struggle in environments where rules and required domain knowledge frequently change, such as regulatory compliance and user risk screening.…

cs.CL2025

Efficient Reasoning via Chain of Unconscious Thought

Ruihan Gong, Yue Liu, Wenjie Qu +11

Large Reasoning Models (LRMs) achieve promising performance but compromise token efficiency due to verbose reasoning processes. Unconscious Thought Theory (UTT) posits that complex…

cs.AI2025

GuardReasoner-VL: Safeguarding VLMs via Reinforced Reasoning

Yue Liu, Shengfang Zhai, Mingzhe Du +9

To enhance the safety of VLMs, this paper introduces a novel reasoning-based VLM guard model dubbed GuardReasoner-VL. The core idea is to incentivize the guard model to deliberativ…

cs.CL2025

Refining Time Series Anomaly Detectors using Large Language Models

Alan Yang, Yulin Chen, Sean Lee +1

Time series anomaly detection (TSAD) is of widespread interest across many industries, including finance, healthcare, and manufacturing. Despite the development of numerous automat…