activity
20242026
collaborators

6 papers

cs.IR2026

Multimodal-enhanced Federated Recommendation: A Group-wise Fusion Approach

Chunxu Zhang, Weipeng Zhang, Guodong Long +3

Federated Recommendation (FR) is a new learning paradigm to tackle the learn-to-rank problem in a privacy-preservation manner. How to integrate multi-modality features into federat…

cs.LG2025

TimeEmb: A Lightweight Static-Dynamic Disentanglement Framework for Time Series Forecasting

Mingyuan Xia, Chunxu Zhang, Zijian Zhang +4

Temporal non-stationarity, the phenomenon that time series distributions change over time, poses fundamental challenges to reliable time series forecasting. Intuitively, the comple…

cs.LG2025

Distilling A Universal Expert from Clustered Federated Learning

Zeqi Leng, Chunxu Zhang, Guodong Long +2

Clustered Federated Learning (CFL) addresses the challenges posed by non-IID data by training multiple group- or cluster-specific expert models. However, existing methods often ove…

cs.IR2025

Personalized Recommendation Models in Federated Settings: A Survey

Chunxu Zhang, Guodong Long, Zijian Zhang +4

Federated recommender systems (FedRecSys) have emerged as a pivotal solution for privacy-aware recommendations, balancing growing demands for data security and personalized experie…

cs.IR2024

Multifaceted User Modeling in Recommendation: A Federated Foundation Models Approach

Chunxu Zhang, Guodong Long, Hongkuan Guo +5

Multifaceted user modeling aims to uncover fine-grained patterns and learn representations from user data, revealing their diverse interests and characteristics, such as profile, p…

cs.IR2024

A Tutorial of Personalized Federated Recommender Systems: Recent Advances and Future Directions

Jing Jiang, Chunxu Zhang, Honglei Zhang +3

Personalization stands as the cornerstone of recommender systems (RecSys), striving to sift out redundant information and offer tailor-made services for users. However, the convent…