collaborators

13 papers

cs.CR2026

External Data Extraction Attacks against Retrieval-Augmented Large Language Models

Yu He, Yifei Chen, Yiming Li +5

In recent years, RAG has emerged as a key paradigm for enhancing large language models (LLMs). By integrating externally retrieved information, RAG alleviates issues like outdated…

cs.CR2026

SWAP: Towards Copyright Auditing of Soft Prompts via Sequential Watermarking

Wenyuan Yang, Yichen Sun, Changzheng Chen +4

Large-scale vision-language models, especially CLIP, have demonstrated remarkable performance across diverse downstream tasks. Soft prompts, as carefully crafted modules that effic…

cs.CR2026

PromptCOS: Towards Content-only System Prompt Copyright Auditing for LLMs

Yuchen Yang, Yiming Li, Hongwei Yao +6

System prompts are critical for shaping the behavior and output quality of large language model (LLM)-based applications, driving substantial investment in optimizing high-quality…

cs.CR2026

Coward: Collision-based OOD Watermarking for Practical Proactive Federated Backdoor Detection

Wenjie Li, Siying Gu, Yiming Li +4

Backdoor detection is currently the mainstream defense against backdoor attacks in federated learning (FL), where a small number of malicious clients can upload poisoned updates to…

cs.CR2026

Safety at Scale: A Comprehensive Survey of Large Model and Agent Safety

Xingjun Ma, Yifeng Gao, Yixu Wang +45

The rapid advancement of large models, driven by their exceptional abilities in learning and generalization through large-scale pre-training, has reshaped the landscape of Artifici…

cs.CR2025

DATABench: Evaluating Dataset Auditing in Deep Learning from an Adversarial Perspective

Shuo Shao, Yiming Li, Mengren Zheng +7

The widespread application of Deep Learning across diverse domains hinges critically on the quality and composition of training datasets. However, the common lack of disclosure reg…