English
Related papers

Related papers: FedHCDR: Federated Cross-Domain Recommendation wit…

200 papers

This work tackles the challenges of data heterogeneity and communication limitations in decentralized federated learning. We focus on creating a collaboration graph that guides each client in selecting suitable collaborators for training…

Machine Learning · Computer Science 2024-06-11 Salma Kharrat , Marco Canini , Samuel Horvath

Cross-Domain Sequential Recommendation (CDSR) predicts user behavior by leveraging historical interactions across multiple domains, focusing on modeling cross-domain preferences through intra- and inter-sequence item relationships. Inspired…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Wangyu Wu , Zhenhong Chen , Siqi Song , Xianglin Qiu , Xiaowei Huang , Fei Ma , Jimin Xiao

In recent years, Federated Graph Learning (FGL) has gained significant attention for its distributed training capabilities in graph-based machine intelligence applications, mitigating data silos while offering a new perspective for…

Machine Learning · Computer Science 2025-04-15 Zhengyu Wu , Xunkai Li , Yinlin Zhu , Rong-Hua Li , Guoren Wang , Chenghu Zhou

In the contemporary age characterized by information abundance, rapid advancements in artificial intelligence have rendered recommendation systems indispensable. Conventional recommendation methodologies based on collaborative filtering or…

Information Retrieval · Computer Science 2025-09-04 Yu Fang

Collaborative filtering (CF) has been one of the most important and popular recommendation methods, which aims at predicting users' preferences (ratings) based on their past behaviors. Recently, various types of side information beyond the…

Information Retrieval · Computer Science 2020-12-29 Huan Zhao , Quanming Yao , Yangqiu Song , James Kwok , Dik Lun Lee

Federated learning (FL) enables a loose set of participating clients to collaboratively learn a global model via coordination by a central server and with no need for data sharing. Existing FL approaches that rely on complex algorithms with…

Machine Learning · Computer Science 2023-12-27 Kazim Ergun , Rishikanth Chandrasekaran , Tajana Rosing

Federated Learning (FL) confronts a significant challenge known as data heterogeneity, which impairs model performance and convergence. Existing methods have made notable progress in addressing this issue. However, improving performance in…

Machine Learning · Computer Science 2025-10-24 Zhiqin Yang , Yonggang Zhang , Chenxin Li , Yiu-ming Cheung , Bo Han , Yixuan Yuan

Cross-domain recommendation is an important method to improve recommender system performance, especially when observations in target domains are sparse. However, most existing techniques focus on single-target or dual-target cross-domain…

Information Retrieval · Computer Science 2022-11-23 Chenglin Li , Yuanzhen Xie , Chenyun Yu , Bo Hu , Zang li , Guoqiang Shu , Xiaohu Qie , Di Niu

Today's 5G and NextG wireless networks are moving toward using the coordinated multi-point (CoMP) transmission and reception technique, where a client can be simultaneously served by multiple base stations (BSs) for better communication…

Networking and Internet Architecture · Computer Science 2026-04-14 Haiyun Liu , Jiahao Xue , Jie Xu , Yao Liu , Zhuo Lu

Detection models trained by one party (including server) may face severe performance degradation when distributed to other users (clients). Federated learning can enable multi-party collaborative learning without leaking client data. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Shangchao Su , Bin Li , Chengzhi Zhang , Mingzhao Yang , Xiangyang Xue

Contrastive Learning (CL)-based recommender systems have gained prominence in the context of Heterogeneous Graph (HG) due to their capacity to enhance the consistency of representations across different views. However, existing frameworks…

Information Retrieval · Computer Science 2024-07-30 Lei Sang , Yu Wang , Yi Zhang , Yiwen Zhang , Xindong Wu

Personalized federated recommendation system (FedRec) has gained significant attention for its ability to preserve privacy in delivering tailored recommendations. To alleviate the statistical heterogeneity challenges among clients and…

Information Retrieval · Computer Science 2025-09-30 Yunqi Mi , Boyang Yan , Guoshuai Zhao , Jialie Shen , Xueming Qian

Statistical heterogeneity of data present at client devices in a federated learning (FL) system renders the training of a global model in such systems difficult. Particularly challenging are the settings where due to communication resource…

Machine Learning · Computer Science 2024-10-07 Huancheng Chen , Haris Vikalo

Federated learning aims to train models collaboratively across different clients without the sharing of data for privacy considerations. However, one major challenge for this learning paradigm is the {\em data heterogeneity} problem, which…

Machine Learning · Computer Science 2024-04-09 Yujun Shi , Jian Liang , Wenqing Zhang , Vincent Y. F. Tan , Song Bai

Inspired by the success of contrastive learning (CL) in computer vision and natural language processing, graph contrastive learning (GCL) has been developed to learn discriminative node representations on graph datasets. However, the…

Machine Learning · Computer Science 2023-01-03 Zehong Wang , Qi Li , Donghua Yu , Xiaolong Han , Xiao-Zhi Gao , Shigen Shen

Reinforcement learning methods have been used to optimize long-term user engagement in recommendation systems. However, existing reinforcement learning-based recommendation systems do not fully exploit the relevance of individual user…

Information Retrieval · Computer Science 2025-04-29 Yongxin Deng , Xihe Qiu , Xiaoyu Tan , Yaochu Jin

Graph Federated Learning (GFL) enables distributed graph representation learning while protecting the privacy of graph data. However, GFL suffers from heterogeneity arising from diverse node features and structural topologies across…

Machine Learning · Computer Science 2026-01-30 Wentao Yu , Sheng Wan , Shuo Chen , Bo Han , Chen Gong

Federated Graph Learning (FGL) aims to learn graph learning models over graph data distributed in multiple data owners, which has been applied in various applications such as social recommendation and financial fraud detection. Inherited…

Machine Learning · Computer Science 2024-08-20 Xingbo Fu , Zihan Chen , Binchi Zhang , Chen Chen , Jundong Li

Federated learning enables collaborative training of machine learning models among different clients while ensuring data privacy, emerging as the mainstream for breaking data silos in the healthcare domain. However, the imbalance of medical…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 You Zhou , Lijiang Chen , Shuchang Lyu , Guangxia Cui , Wenpei Bai , Zheng Zhou , Meng Li , Guangliang Cheng , Huiyu Zhou , Qi Zhao

Cross-market recommendation (CMR) aims to enhance recommendation performance across multiple markets. Due to its inherent characteristics, i.e., data isolation, non-overlapping users, and market heterogeneity, CMR introduces unique…

Information Retrieval · Computer Science 2026-04-16 Jundong Chen , Honglei Zhang , Xiangmou Qu , Haoxuan Li , Han Yu , Yidong Li