activity
20242026
collaborators

10 papers

cs.LG2026

Generalizable Multimodal Large Language Model Editing via Invariant Trajectory Learning

Jiajie Su, Haoyuan Wang, Xiaohua Feng +6

Knowledge editing emerges as a crucial technique for efficiently correcting incorrect or outdated knowledge in large language models (LLM). Existing editing methods rely on a rigid…

cs.LG2025

Potent but Stealthy: Rethink Profile Pollution against Sequential Recommendation via Bi-level Constrained Reinforcement Paradigm

Jiajie Su, Zihan Nan, Yunshan Ma +6

Sequential Recommenders, which exploit dynamic user intents through interaction sequences, is vulnerable to adversarial attacks. While existing attacks primarily rely on data poiso…

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.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…

cs.IR2025

BiFair: A Fairness-aware Training Framework for LLM-enhanced Recommender Systems via Bi-level Optimization

Jiaming Zhang, Yuyuan Li, Yiqun Xu +4

Large Language Model-enhanced Recommender Systems (LLM-enhanced RSs) have emerged as a powerful approach to improving recommendation quality by leveraging LLMs to generate item rep…