collaborators

5 papers

cs.AI2025

Agent Safety Alignment via Reinforcement Learning

Zeyang Sha, Hanling Tian, Zhuoer Xu +3

The emergence of autonomous Large Language Model (LLM) agents capable of tool usage has introduced new safety risks that go beyond traditional conversational misuse. These agents,…

cs.CR2025

A Survey of LLM-Driven AI Agent Communication: Protocols, Security Risks, and Defense Countermeasures

Dezhang Kong, Shi Lin, Zhenhua Xu +16

In recent years, Large-Language-Model-driven AI agents have exhibited unprecedented intelligence and adaptability. Nowadays, agents are undergoing a new round of evolution. They no…

cs.CL2025

SEM: Reinforcement Learning for Search-Efficient Large Language Models

Zeyang Sha, Shiwen Cui, Weiqiang Wang

Recent advancements in Large Language Models(LLMs) have demonstrated their capabilities not only in reasoning but also in invoking external tools, particularly search engines. Howe…

cs.CV2025

Can VLMs Detect and Localize Fine-Grained AI-Edited Images?

Zhen Sun, Ziyi Zhang, Zeren Luo +10

Fine-grained detection and localization of localized image edits is crucial for assessing content authenticity, especially as modern diffusion models and image editors can produce…

cs.CL2025

Thought Manipulation: External Thought Can Be Efficient for Large Reasoning Models

Yule Liu, Jingyi Zheng, Zhen Sun +6

Recent advancements in large reasoning models (LRMs) have demonstrated the effectiveness of scaling test-time computation to enhance reasoning capabilities on various tasks. Howeve…