activity
20222026
most citedEvaluating Membership Inference Through Adversarial Robustness

2 citations · 2 across the 6 of their papers we have counts for

collaborators

8 papers

cs.AI2026

Are You Still the Agent I Authorized? Earned Authority under a Fixed Ceiling for Evolving Agents

Zhaoxi Zhang, Xiaomei Zhang

Long-lived AI agents increasingly evolve after deployment by retaining experience, acquiring skills and tools, revising workflows, delegating work, and moving across task phases. T…

cs.CR2026

Less Is More -- Until It Breaks: Security Pitfalls of Vision Token Compression in Large Vision-Language Models

Xiaomei Zhang, Zhaoxi Zhang, Leo Yu Zhang +3

Visual token compression is widely adopted to improve the inference efficiency of Large Vision-Language Models (LVLMs), enabling their deployment in latency-sensitive and resource-…

cs.CR2025

Character-Level Perturbations Disrupt LLM Watermarks

Zhaoxi Zhang, Xiaomei Zhang, Yanjun Zhang +5

Large Language Model (LLM) watermarking embeds detectable signals into generated text for copyright protection, misuse prevention, and content detection. While prior studies evalua…

cs.CR2025

When Better Features Mean Greater Risks: The Performance-Privacy Trade-Off in Contrastive Learning

Ruining Sun, Hongsheng Hu, Wei Luo +4

With the rapid advancement of deep learning technology, pre-trained encoder models have demonstrated exceptional feature extraction capabilities, playing a pivotal role in the rese…

cs.LG2025

Not All Edges are Equally Robust: Evaluating the Robustness of Ranking-Based Federated Learning

Zirui Gong, Yanjun Zhang, Leo Yu Zhang +3

Federated Ranking Learning (FRL) is a state-of-the-art FL framework that stands out for its communication efficiency and resilience to poisoning attacks. It diverges from the tradi…

cs.CR2024

Large Language Model Watermark Stealing With Mixed Integer Programming

Zhaoxi Zhang, Xiaomei Zhang, Yanjun Zhang +5

The Large Language Model (LLM) watermark is a newly emerging technique that shows promise in addressing concerns surrounding LLM copyright, monitoring AI-generated text, and preven…