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Related papers: Co-clustering for Federated Recommender System

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Preserving privacy and reducing communication costs for edge users pose significant challenges in recommendation systems. Although federated learning has proven effective in protecting privacy by avoiding data exchange between clients and…

Machine Learning · Computer Science 2023-11-01 Lin Wang , Zhichao Wang , Xi Leng , Xiaoying Tang

Recommender systems play a pivotal role across practical scenarios, showcasing remarkable capabilities in user preference modeling. However, the centralized learning paradigm predominantly used raises serious privacy concerns. The federated…

Information Retrieval · Computer Science 2024-11-05 Langming Liu , Wanyu Wang , Xiangyu Zhao , Zijian Zhang , Chunxu Zhang , Shanru Lin , Yiqi Wang , Lixin Zou , Zitao Liu , Xuetao Wei , Hongzhi Yin , Qing Li

Federated recommendations leverage the federated learning (FL) techniques to make privacy-preserving recommendations. Though recent success in the federated recommender system, several vital challenges remain to be addressed: (i) The…

Information Retrieval · Computer Science 2022-08-25 Sichun Luo , Yuanzhang Xiao , Yang Liu , Congduan Li , Linqi Song

Federated recommendation facilitates collaborative model training across distributed clients while keeping sensitive user interaction data local. Conventional approaches typically rely on synchronizing high-dimensional item representations…

Information Retrieval · Computer Science 2026-02-26 Yuchun Tu , Zhiwei Li , Bingli Sun , Yixuan Li , Xiao Song

Personalized decision-making can be implemented in a Federated learning (FL) framework that can collaboratively train a decision model by extracting knowledge across intelligent clients, e.g. smartphones or enterprises. FL can mitigate the…

Machine Learning · Computer Science 2023-02-01 Guodong Long , Ming Xie , Tao Shen , Tianyi Zhou , Xianzhi Wang , Jing Jiang , Chengqi Zhang

Large Language Models (LLMs) have empowered generative recommendation systems through fine-tuning user behavior data. However, utilizing the user data may pose significant privacy risks, potentially leading to ethical dilemmas and…

Information Retrieval · Computer Science 2025-02-25 Jujia Zhao , Wenjie Wang , Chen Xu , See-Kiong Ng , Tat-Seng Chua

Federated recommendation is a new Internet service architecture that aims to provide privacy-preserving recommendation services in federated settings. Existing solutions are used to combine distributed recommendation algorithms and…

Information Retrieval · Computer Science 2023-05-16 Chunxu Zhang , Guodong Long , Tianyi Zhou , Peng Yan , Zijian Zhang , Chengqi Zhang , Bo Yang

Owing to its nature of scalability and privacy by design, federated learning (FL) has received increasing interest in decentralized deep learning. FL has also facilitated recent research on upscaling and privatizing personalized…

Information Retrieval · Computer Science 2022-07-29 Mubashir Imran , Hongzhi Yin , Tong Chen , Nguyen Quoc Viet Hung , Alexander Zhou , Kai Zheng

Federated recommender systems (FedRecs) have emerged as a popular research direction for protecting users' privacy in on-device recommendations. In FedRecs, users keep their data locally and only contribute their local collaborative…

Information Retrieval · Computer Science 2024-09-13 Chaoqun Yang , Wei Yuan , Liang Qu , Thanh Tam Nguyen

Federated recommendation applies federated learning techniques in recommendation systems to help protect user privacy by exchanging models instead of raw user data between user devices and the central server. Due to the heterogeneity in…

Information Retrieval · Computer Science 2022-08-22 Sichun Luo , Yuanzhang Xiao , Linqi Song

Federated recommendation (FR) facilitates collaborative training by aggregating local models from massive devices, enabling client-specific personalization while ensuring privacy. However, we empirically and theoretically demonstrate that…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-19 Jundong Chen , Honglei Zhang , Chunxu Zhang , Fangyuan Luo , Yidong Li

Federated recommendation system usually trains a global model on the server without direct access to users' private data on their own devices. However, this separation of the recommendation model and users' private data poses a challenge in…

Information Retrieval · Computer Science 2024-02-27 Chunxu Zhang , Guodong Long , Tianyi Zhou , Zijian Zhang , Peng Yan , Bo Yang

As a promising privacy-aware collaborative model training paradigm, Federated Learning (FL) is becoming popular in the design of distributed recommender systems. However, Federated Recommender Systems (FedRecs) greatly suffer from two major…

Machine Learning · Computer Science 2025-07-15 Zhufeng Lu , Chentao Jia , Ming Hu , Xiaofei Xie , Mingsong Chen

Federated recommendation (FR) is a promising paradigm to protect user privacy in recommender systems. Distinct from general federated scenarios, FR inherently needs to preserve client-specific parameters, i.e., user embeddings, for privacy…

Cryptography and Security · Computer Science 2025-06-12 Jundong Chen , Honglei Zhang , Haoxuan Li , Chunxu Zhang , Zhiwei Li , Yidong Li

Clustered Federated Multitask Learning (CFL) was introduced as an efficient scheme to obtain reliable specialized models when data is imbalanced and distributed in a non-i.i.d. (non-independent and identically distributed) fashion amongst…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-08-20 Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha , Aiman Erbad

Owing to the nature of privacy protection, federated recommender systems (FedRecs) have garnered increasing interest in the realm of on-device recommender systems. However, most existing FedRecs only allow participating clients to…

Information Retrieval · Computer Science 2023-12-06 Wei Yuan , Liang Qu , Lizhen Cui , Yongxin Tong , Xiaofang Zhou , Hongzhi Yin

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 federated recommendation is still an open challenge in terms of…

Information Retrieval · Computer Science 2026-03-02 Chunxu Zhang , Weipeng Zhang , Guodong Long , Zhiheng Xue , Riting Xia , Bo Yang

Extending recommender systems to federated learning (FL) frameworks to protect the privacy of users or platforms while making recommendations has recently gained widespread attention in academia. This is due to the natural coupling of…

Information Retrieval · Computer Science 2025-08-28 Yunqi Mi , Jiakui Shen , Guoshuai Zhao , Jialie Shen , Xueming Qian

Federated Learning (FL) is a machine learning paradigm that safeguards privacy by retaining client data on edge devices. However, optimizing FL in practice can be challenging due to the diverse and heterogeneous nature of the learning…

Machine Learning · Computer Science 2024-06-11 Yongxin Guo , Xiaoying Tang , Tao Lin

Collaborative filtering (CF) recommendation algorithms are well-known for their outstanding recommendation performances, but previous researches showed that they could cause privacy leakage for users due to k-nearest neighboring (KNN)…

Cryptography and Security · Computer Science 2018-12-06 Zhili Chen , Yu Wang , Shun Zhang , Hong Zhong , Lin Chen
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