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Federated learning is an emerging distributed machine learning framework for privacy preservation. However, models trained in federated learning usually have worse performance than those trained in the standard centralized learning mode,…

Machine Learning · Computer Science 2021-06-15 Hangyu Zhu , Jinjin Xu , Shiqing Liu , Yaochu Jin

Federated Learning (FL) enables the multiple participating devices to collaboratively contribute to a global neural network model while keeping the training data locally. Unlike the centralized training setting, the non-IID, imbalanced…

Machine Learning · Computer Science 2024-04-16 Moming Duan , Duo Liu , Xinyuan Ji , Yu Wu , Liang Liang , Xianzhang Chen , Yujuan Tan

Federated Learning (FL) is a paradigm for jointly training machine learning algorithms in a decentralized manner which allows for parties to communicate with an aggregator to create and train a model, without exposing the underlying raw…

Machine Learning · Computer Science 2022-09-07 Katelinh Jones , Yuya Jeremy Ong , Yi Zhou , Nathalie Baracaldo

Federated Learning aims at training a global model from multiple decentralized devices (i.e. clients) without exchanging their private local data. A key challenge is the handling of non-i.i.d. (independent identically distributed) data…

Machine Learning · Computer Science 2022-07-20 Xin Dong , Sai Qian Zhang , Ang Li , H. T. Kung

Data-free knowledge distillation aims to learn a compact student network from a pre-trained large teacher network without using the original training data of the teacher network. Existing collection-based and generation-based methods train…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Jialiang Tang , Shuo Chen , Chen Gong

Federated learning is a decentralized learning paradigm wherein a central server trains a global model iteratively by utilizing clients who possess a certain amount of private datasets. The challenge lies in the fact that the client side…

Machine Learning · Computer Science 2023-12-25 Shaohan Sha , YaFeng Sun

Concerned with user data privacy, this paper presents a new federated learning (FL) method that trains machine learning models on edge devices without accessing sensitive data. Traditional FL methods, although privacy-protective, fail to…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-03 Duy Phuong Nguyen , Sixing Yu , J. Pablo Muñoz , Ali Jannesari

Heterogeneous federated learning (HFL) aims to ensure effective and privacy-preserving collaboration among different entities. As newly joined clients require significant adjustments and additional training to align with the existing…

Machine Learning · Computer Science 2026-01-29 Kaile Wang , Jiannong Cao , Yu Yang , Xiaoyin Li , Mingjin Zhang

Federated edge learning (FEEL) has emerged as an effective approach to reduce the large communication latency in Cloud-based machine learning solutions, while preserving data privacy. Unfortunately, the learning performance of FEEL may be…

Networking and Internet Architecture · Computer Science 2024-09-05 Yuchang Sun , Jiawei Shao , Yuyi Mao , Jessie Hui Wang , Jun Zhang

Federated Learning (FL) enables collaborative model training across multiple clients while preserving data privacy. Traditional FL methods often use a global model to fit all clients, assuming that clients' data are independent and…

Machine Learning · Computer Science 2025-12-01 Dario Fenoglio , Mohan Li , Pietro Barbiero , Nicholas D. Lane , Marc Langheinrich , Martin Gjoreski

Federated Learning (FL) is a novel distributed machine learning approach to leverage data from Internet of Things (IoT) devices while maintaining data privacy. However, the current FL algorithms face the challenges of non-independent and…

Machine Learning · Computer Science 2023-12-20 Gang Hu , Yinglei Teng , Nan Wang , F. Richard Yu

Federated Learning is a novel framework that allows multiple devices or institutions to train a machine learning model collaboratively while preserving their data private. This decentralized approach is prone to suffer the consequences of…

Machine Learning · Computer Science 2021-11-29 Marcos F. Criado , Fernando E. Casado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

In Federated Learning, heterogeneity in client data distributions often means that a single global model does not have the best performance for individual clients. Consider for example training a next-word prediction model for keyboards:…

Machine Learning · Computer Science 2025-05-06 Ljubomir Rokvic , Panayiotis Danassis , Boi Faltings

Federated learning enables resource-constrained edge compute devices, such as mobile phones and IoT devices, to learn a shared model for prediction, while keeping the training data local. This decentralized approach to train models provides…

Machine Learning · Computer Science 2022-07-22 Yue Zhao , Meng Li , Liangzhen Lai , Naveen Suda , Damon Civin , Vikas Chandra

Accommodating edge networks between IoT devices and the cloud server in Hierarchical Federated Learning (HFL) enhances communication efficiency without compromising data privacy. However, devices connected to the same edge often share…

Federated learning (FL) allows multiple clients to collaboratively train a deep learning model. One major challenge of FL is when data distribution is heterogeneous, i.e., differs from one client to another. Existing personalized FL…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Haolin Yuan , Bo Hui , Yuchen Yang , Philippe Burlina , Neil Zhenqiang Gong , Yinzhi Cao

Classical federated learning approaches yield significant performance degradation in the presence of Non-IID data distributions of participants. When the distribution of each local dataset is highly different from the global one, the local…

Machine Learning · Computer Science 2022-08-23 Mahdi Morafah , Saeed Vahidian , Weijia Wang , Bill Lin

One of the main challenges of federated learning (FL) is handling non-independent and identically distributed (non-IID) client data, which may occur in practice due to unbalanced datasets and use of different data sources across clients.…

Machine Learning · Computer Science 2024-10-23 Peng Wu , Tales Imbiriba , Pau Closas

In federated learning, federated unlearning is a technique that provides clients with a rollback mechanism that allows them to withdraw their data contribution without training from scratch. However, existing research has not considered…

Machine Learning · Computer Science 2024-12-23 Xinrui Yu , Wenbin Pei , Bing Xue , Qiang Zhang

Federated learning enables collaborative model training without sharing raw data, but its performance can degrade substantially under heterogeneous client data distributions. A single global model often cannot satisfy diverse client…

Machine Learning · Computer Science 2026-05-27 Yunseok Kang , Jaeyoung Song