collaborators

8 papers

cs.AI2026

Scaling with Confidence: Calibrating Confidence of LLMs for Adaptive Test Time Scaling

Xuqing Yang, Yi Yuan, Shanzhe Lei +1

Training large language models (LLMs) with reinforcement learning (RL) has significantly advanced their performance on reasoning and question-answering tasks. However, prevailing R…

cs.LG2026

GROW: Aligning GRPO with State-Action Modeling for Open-World VLM Agents

Xiongbin Wu, Zhihao Luo, Shanzhe Lei +7

Recently, vision-language model (VLM) agents have shown promising progress in open-world tasks, where successful task completion often requires multiple turns of visual perception…

cs.AI2026

Safactory: A Scalable Agentic Infrastructure for Training Trustworthy Autonomous Intelligence

Xinquan Chen, Zhenyun Yin, Shan He +38

As large models evolve from conversational assistants into autonomous agents, challenges increasingly arise from long-horizon decision making, tool use, and real environment intera…

cs.AI2026

Towards Trustworthy Report Generation: A Deep Research Agent with Progressive Confidence Estimation and Calibration

Yi Yuan, Xuhong Wang, Shanzhe Lei

As agent-based systems continue to evolve, deep research agents are capable of automatically generating research-style reports across diverse domains. While these agents promise to…

cs.CR2026

UniMark: Artificial Intelligence Generated Content Identification Toolkit

Meilin Li, Ji He, Yi Yu +5

The rapid proliferation of Artificial Intelligence Generated Content has precipitated a crisis of trust and urgent regulatory demands. However, existing identification tools suffer…

cs.AI2025

Beyond Correctness: Confidence-Aware Reward Modeling for Enhancing Large Language Model Reasoning

Qianxi He, Qingyu Ren, Shanzhe Lei +2

Recent advancements in large language models (LLMs) have shifted the post-training paradigm from traditional instruction tuning and human preference alignment toward reinforcement…