collaborators

5 papers

cs.CR2026

FuzzingBrain V2: A Multi-Agent LLM System for Automated Vulnerability Discovery and Reproduction

Ze Sheng, Zhicheng Chen, Qingxiao Xu +2

Software vulnerabilities pose critical security threats, with nearly 50,000 CVEs reported in 2025. While Large Language Models (LLMs) show promise for automated vulnerability detec…

cs.LG2026

FedPDPO: Federated Personalized Direct Preference Optimization for Large Language Model Alignment

Kewen Zhu, Liping Yi, Zhiming Zhao +3

Aligning large language models (LLMs) with human preferences in federated learning (FL) is challenging due to decentralized, privacy-sensitive, and highly non-IID preference data.…

cs.MA2026

Helix: A Dual-Helix Co-Evolutionary Multi-Agent System for Prompt Optimization and Question Reformulation

Kewen Zhu, Liping Yi, Zhiming Zhao +2

Automated prompt optimization (APO) aims to improve large language model performance by refining prompt instructions. However, existing methods are largely constrained by fixed pro…

cs.HC2025

Knowledge Graph for Intelligent Generation of Artistic Image Creation: Constructing a New Annotation Hierarchy

Jia Kaixin, Zhu Kewen, Deng Huanghuang +5

Our study aims to establish a unified, systematic, and referable knowledge framework for the annotation of art image datasets, addressing issues of ambiguous definitions and incons…

cs.LG2025

FedAdamW: A Communication-Efficient Optimizer with Convergence and Generalization Guarantees for Federated Large Models

Junkang Liu, Fanhua Shang, Hongying Liu +5

AdamW has become one of the most effective optimizers for training large-scale models. We have also observed its effectiveness in the context of federated learning (FL). However, d…