collaborators

9 papers

cs.CL2025

Bridging the Copyright Gap: Do Large Vision-Language Models Recognize and Respect Copyrighted Content?

Naen Xu, Jinghuai Zhang, Changjiang Li +7

Large vision-language models (LVLMs) have achieved remarkable advancements in multimodal reasoning tasks. However, their widespread accessibility raises critical concerns about pot…

cs.IR2025

FedAU2: Attribute Unlearning for User-Level Federated Recommender Systems with Adaptive and Robust Adversarial Training

Yuyuan Li, Junjie Fang, Fengyuan Yu +7

Federated Recommender Systems (FedRecs) leverage federated learning to protect user privacy by retaining data locally. However, user embeddings in FedRecs often encode sensitive at…

cs.IR2025

UFO: Unfair-to-Fair Evolving Mitigates Unfairness in LLM-based Recommender Systems via Self-Play Fine-tuning

Jiaming Zhang, Yuyuan Li, Xiaohua Feng +3

Large language model-based Recommender Systems (LRSs) have demonstrated superior recommendation performance by integrating pre-training with Supervised Fine-Tuning (SFT). However,…

cs.AI2025

TOFA: Training-Free One-Shot Federated Adaptation for Vision-Language Models

Li Zhang, Zhongxuan Han, XiaoHua Feng +5

Efficient and lightweight adaptation of pre-trained Vision-Language Models (VLMs) to downstream tasks through collaborative interactions between local clients and a central server…

cs.CR2025

DP-GENG : Differentially Private Dataset Distillation Guided by DP-Generated Data

Shuo Shi, Jinghuai Zhang, Shijie Jiang +5

Dataset distillation (DD) compresses large datasets into smaller ones while preserving the performance of models trained on them. Although DD is often assumed to enhance data priva…

cs.LG2025

LEGO: A Lightweight and Efficient Multiple-Attribute Unlearning Framework for Recommender Systems

Fengyuan Yu, Yuyuan Li, Xiaohua Feng +3

With the growing demand for safeguarding sensitive user information in recommender systems, recommendation attribute unlearning is receiving increasing attention. Existing studies…