collaborators

6 papers

cs.AI2026

RetroAgent: From Solving to Evolving via Retrospective Dual Intrinsic Feedback

Xiaoying Zhang, Zichen Liu, Yipeng Zhang +2

Standard reinforcement learning (RL) for large language model (LLM) agents primarily optimizes extrinsic task rewards, often favoring isolated task completion over continual adapta…

cs.LG2026

Leveraging Error Diversity in Group Rollouts for Reinforcement Learning

Wenpu Liu, Yuqi Xu, Weichu Xie +8

Reinforcement Learning from Verifiable Rewards (RLVR) typically samples multiple responses per prompt and assigns binary rewards based on individual correctness, yet the collective…

cs.LG2026

Step-wise Rubric Rewards for LLM Reasoning

Weichu Xie, Haozhe Zhao, Wenpu Liu +15

Reinforcement Learning with Verifiable Rewards (RLVR) is widely used to improve reasoning in large language models, but rewards only final-answer correctness with no supervision ov…

cs.AI2025

D-GARA: A Dynamic Benchmarking Framework for GUI Agent Robustness in Real-World Anomalies

Sen Chen, Tong Zhao, Yi Bin +3

Developing intelligent agents capable of operating a wide range of Graphical User Interfaces (GUIs) with human-level proficiency is a key milestone on the path toward Artificial Ge…

cs.AI2025

DeepKnown-Guard: A Proprietary Model-Based Safety Response Framework for AI Agents

Qi Li, Jianjun Xu, Pingtao Wei +8

With the widespread application of Large Language Models (LLMs), their associated security issues have become increasingly prominent, severely constraining their trustworthy deploy…

cs.CL2025

More Than One Teacher: Adaptive Multi-Guidance Policy Optimization for Diverse Exploration

Xiaoyang Yuan, Yujuan Ding, Yi Bin +5

Reinforcement Learning with Verifiable Rewards (RLVR) is a promising paradigm for enhancing the reasoning ability in Large Language Models (LLMs). However, prevailing methods prima…