collaborators

5 papers

cs.LG2026

Evolving Safety Landscape of Multi-modal Large Language Models: A Survey of Emerging Threats and Safeguards

Xi Li, Shu Zhao, Xiaohan Zou +6

Multi-modal large language models (MLLMs) integrate heterogeneous modalities through modality alignment and fusion, enabling stronger understanding and reasoning. However, this arc…

cs.CR2025

Chain-of-Scrutiny: Detecting Backdoor Attacks for Large Language Models

Xi Li, Ruofan Mao, Yusen Zhang +3

Large Language Models (LLMs), especially those accessed via APIs, have demonstrated impressive capabilities across various domains. However, users without technical expertise often…

cs.LG2025

Securing Federated Learning against Backdoor Threats with Foundation Model Integration

Xiaohuan Bi, Xi Li

Federated Learning (FL) enables decentralized model training while preserving privacy. Recently, the integration of Foundation Models (FMs) into FL has enhanced performance but int…

cs.AI2025

NeuroGen: Neural Network Parameter Generation via Large Language Models

Jiaqi Wang, Yusen Zhang, Xi Li

Acquiring the parameters of neural networks (NNs) has been one of the most important problems in machine learning since the inception of NNs. Traditional approaches, such as backpr…

cs.CR2025

Foundation Models in Federated Learning: Assessing Backdoor Vulnerabilities

Xi Li, Chen Wu, Jiaqi Wang

Federated Learning (FL), a privacy-preserving machine learning framework, faces significant data-related challenges. For example, the lack of suitable public datasets leads to inef…