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Federated learning (FL) emerged as a paradigm designed to improve data privacy by enabling data to reside at its source, thus embedding privacy as a core consideration in FL architectures, whether centralized or decentralized. Contrasting…

Machine Learning · Computer Science 2024-12-03 Wenrui Yu , Qiongxiu Li , Milan Lopuhaä-Zwakenberg , Mads Græsbøll Christensen , Richard Heusdens

Federated learning (FL) is a machine learning paradigm in which distributed local nodes collaboratively train a central model without sharing individually held private data. Existing FL methods either iteratively share local model…

Machine Learning · Computer Science 2023-12-25 Xuan Gong , Shanglin Li , Yuxiang Bao , Barry Yao , Yawen Huang , Ziyan Wu , Baochang Zhang , Yefeng Zheng , David Doermann

Federated learning (FL) is a new paradigm that enables many clients to jointly train a machine learning (ML) model under the orchestration of a parameter server while keeping the local data not being exposed to any third party. However, the…

Machine Learning · Computer Science 2022-04-27 Yiwei Li , Shuai Wang , Tsung-Hui Chang , Chong-Yung Chi

Bidirectional privacy-preservation federated learning is crucial as both local gradients and the global model may leak privacy. However, only a few works attempt to achieve it, and they often face challenges such as excessive communication…

Machine Learning · Computer Science 2024-12-17 Xue Yang , Depan Peng , Yan Feng , Xiaohu Tang , Weijun Fang , Jun Shao

Federated Learning (FL) facilitates collaborative training of a global model whose performance is boosted by private data owned by distributed clients, without compromising data privacy. Yet the wide applicability of FL is hindered by…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-31 Xinyuan Zhao , Hanlin Gu , Lixin Fan , Yuxing Han , Qiang Yang

In the age of data-driven decision making, preserving privacy while providing personalized experiences has become paramount. Personalized Federated Learning (PFL) offers a promising framework by decentralizing the learning process, thus…

Machine Learning · Computer Science 2025-01-31 Kevin Cooper , Michael Geller

Federated Learning (FL) has become a key method for preserving data privacy in Internet of Things (IoT) environments, as it trains Machine Learning (ML) models locally while transmitting only model updates. Despite this design, FL remains…

Machine Learning · Computer Science 2025-03-25 Fardin Jalil Piran , Zhiling Chen , Mohsen Imani , Farhad Imani

Federated learning (FL), as a type of collaborative machine learning framework, is capable of preserving private data from mobile terminals (MTs) while training the data into useful models. Nevertheless, from a viewpoint of information…

Machine Learning · Computer Science 2021-02-01 Kang Wei , Jun Li , Ming Ding , Chuan Ma , Hang Su , Bo Zhang , H. Vincent Poor

In recent years, privacy and security concerns in machine learning have promoted trusted federated learning to the forefront of research. Differential privacy has emerged as the de facto standard for privacy protection in federated learning…

Cryptography and Security · Computer Science 2025-10-03 Jie Fu , Yuan Hong , Xinpeng Ling , Leixia Wang , Xun Ran , Zhiyu Sun , Wendy Hui Wang , Zhili Chen , Yang Cao

Federated learning (FL) has attracted widespread attention because it supports the joint training of models by multiple participants without moving private dataset. However, there are still many security issues in FL that deserve…

Cryptography and Security · Computer Science 2024-05-08 Huang Zeng , Anjia Yang , Jian Weng , Min-Rong Chen , Fengjun Xiao , Yi Liu , Ye Yao

Federated learning is an emerging distributed machine learning framework aiming at protecting data privacy. Data heterogeneity is one of the core challenges in federated learning, which could severely degrade the convergence rate and…

Machine Learning · Statistics 2025-11-27 Feifei Wang , Huiyun Tang , Yang Li

We propose a novel end-to-end privacy-preserving framework, instantiated by three efficient protocols for different deployment scenarios, covering both input and output privacy, for the vertically split scenario in federated learning (FL),…

Cryptography and Security · Computer Science 2026-04-16 Shan Jin , Sai Rahul Rachuri , Yizhen Wang , Anderson C. A. Nascimento , Yiwei Cai

In many real-world applications of machine learning, data are distributed across many clients and cannot leave the devices they are stored on. Furthermore, each client's data, computational resources and communication constraints may be…

Machine Learning · Statistics 2019-12-02 Mrinank Sharma , Michael Hutchinson , Siddharth Swaroop , Antti Honkela , Richard E. Turner

Countries across the globe have been pushing strict regulations on the protection of personal or private data collected. The traditional centralized machine learning method, where data is collected from end-users or IoT devices, so that it…

Federated learning (FL) enables collaborative model training across distributed clients without sharing raw data, making it a promising approach for privacy-preserving machine learning. However, ensuring differential privacy (DP) in FL…

Machine Learning · Computer Science 2025-03-28 Kanishka Ranaweera , David Smith , Pubudu N. Pathirana , Ming Ding , Thierry Rakotoarivelo , Aruna Seneviratne

With the increased attention and legislation for data-privacy, collaborative machine learning (ML) algorithms are being developed to ensure the protection of private data used for processing. Federated learning (FL) is the most popular of…

Cryptography and Security · Computer Science 2020-04-10 David Enthoven , Zaid Al-Ars

Federated Learning enables entities to collaboratively learn a shared prediction model while keeping their training data locally. It prevents data collection and aggregation and, therefore, mitigates the associated privacy risks. However,…

Cryptography and Security · Computer Science 2020-10-16 Raouf Kerkouche , Gergely Ács , Claude Castelluccia

Trustworthy federated learning aims to achieve optimal performance while ensuring clients' privacy. Existing privacy-preserving federated learning approaches are mostly tailored for image data, lacking applications for time series data,…

Machine Learning · Computer Science 2023-08-01 Chenxi Huang , Chaoyang Jiang , Zhenghua Chen

Federated learning is a computing paradigm that enhances privacy by enabling multiple parties to collaboratively train a machine learning model without revealing personal data. However, current research indicates that traditional federated…

Cryptography and Security · Computer Science 2025-01-10 Runhua Xu , Bo Li , Chao Li , James B. D. Joshi , Shuai Ma , Jianxin Li

Repeated parameter sharing in federated learning causes significant information leakage about private data, thus defeating its main purpose: data privacy. Mitigating the risk of this information leakage, using state of the art…

Machine Learning · Computer Science 2023-09-12 Zebang Shen , Jiayuan Ye , Anmin Kang , Hamed Hassani , Reza Shokri