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Related papers: Asynchronous Hierarchical Federated Learning

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Federated Learning (FL) has achieved significant achievements recently, enabling collaborative model training on distributed data over edge devices. Iterative gradient or model exchanges between devices and the centralized server in the…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-19 Ji Liu , Tianshi Che , Yang Zhou , Ruoming Jin , Huaiyu Dai , Dejing Dou , Patrick Valduriez

We consider an asynchronous hierarchical federated learning (AHFL) setting with a client-edge-cloud framework. The clients exchange the trained parameters with their corresponding edge servers, which update the locally aggregated model.…

Information Theory · Computer Science 2023-06-22 Purbesh Mitra , Sennur Ulukus

Federated Learning (FL) offers a pioneering distributed learning paradigm that enables devices/clients to build a shared global model. This global model is obtained through frequent model transmissions between clients and a central server,…

Machine Learning · Computer Science 2025-09-23 Minghong Wu , Minghui Liwang , Yuhan Su , Li Li , Seyyedali Hosseinalipour , Xianbin Wang , Huaiyu Dai , Zhenzhen Jiao

Clustered Federated Learning has emerged as an effective approach for handling heterogeneous data across clients by partitioning them into clusters with similar or identical data distributions. However, most existing methods, including the…

Machine Learning · Computer Science 2026-03-03 Jonas Kirch , Sebastian Becker , Tiago Koketsu Rodrigues , Stefan Harmeling

Federated Learning (FL) enables large-scale distributed training of machine learning models, while still allowing individual nodes to maintain data locally. However, executing FL at scale comes with inherent practical challenges: 1)…

Machine Learning · Computer Science 2025-05-23 Hossein Zakerinia , Shayan Talaei , Giorgi Nadiradze , Dan Alistarh

Federated Learning is a distributed machine learning approach that enables geographically distributed data silos to collaboratively learn a joint machine learning model without sharing data. Most of the existing work operates on…

Machine Learning · Computer Science 2023-05-17 Dimitris Stripelis , Jose Luis Ambite

Federated learning has emerged as a popular technique for distributing model training across the network edge. Its learning architecture is conventionally a star topology between the devices and a central server. In this paper, we propose…

In recent advancements in machine learning, federated learning allows a network of distributed clients to collaboratively develop a global model without needing to share their local data. This technique aims to safeguard privacy, countering…

Machine Learning · Computer Science 2024-07-18 Davide Domini , Gianluca Aguzzi , Nicolas Farabegoli , Mirko Viroli , Lukas Esterle

The classical machine learning paradigm requires the aggregation of user data in a central location where machine learning practitioners can preprocess data, calculate features, tune models and evaluate performance. The advantage of this…

Federated learning has received great attention for its capability to train a large-scale model in a decentralized manner without needing to access user data directly. It helps protect the users' private data from centralized collecting.…

Machine Learning · Computer Science 2023-02-07 Guodong Long , Ming Xie , Tao Shen , Tianyi Zhou , Xianzhi Wang , Jing Jiang , Chengqi Zhang

Federated learning is a paradigm that enables local devices to jointly train a server model while keeping the data decentralized and private. In federated learning, since local data are collected by clients, it is hardly guaranteed that the…

Machine Learning · Computer Science 2022-03-01 Seunghan Yang , Hyoungseob Park , Junyoung Byun , Changick Kim

Federated Learning (FL) faces significant challenges in evolving environments, particularly regarding data heterogeneity and the rigidity of fixed network topologies. To address these issues, this paper proposes \textbf{SOFA-FL}…

Machine Learning · Computer Science 2025-12-10 Yi Ni , Xinkun Wang , Han Zhang

Federated learning (FL) is a system in which a central aggregator coordinates the efforts of multiple clients to solve machine learning problems. This setting allows training data to be dispersed in order to protect privacy. The purpose of…

Machine Learning · Computer Science 2022-06-27 Subrato Bharati , M. Rubaiyat Hossain Mondal , Prajoy Podder , V. B. Surya Prasath

A novel federated learning training framework for heterogeneous environments is presented, taking into account the diverse network speeds of clients in realistic settings. This framework integrates asynchronous learning algorithms and…

Machine Learning · Computer Science 2024-03-26 Chengjie Ma

Federated learning (FL) is a machine learning approach where nodes collaboratively train a global model. As more nodes participate in a round of FL, the effectiveness of individual model updates by nodes also diminishes. In this study, we…

Machine Learning · Computer Science 2025-03-12 Akash Dhasade , Anne-Marie Kermarrec , Tuan-Anh Nguyen , Rafael Pires , Martijn de Vos

Federated learning enables different parties to collaboratively build a global model under the orchestration of a server while keeping the training data on clients' devices. However, performance is affected when clients have heterogeneous…

Machine Learning · Computer Science 2022-06-20 Fabiola Espinoza Castellon , Aurelien Mayoue , Jacques-Henri Sublemontier , Cedric Gouy-Pailler

Federated learning (FL) enables collaborative model training among distributed devices without data sharing, but existing FL suffers from poor scalability because of global model synchronization. To address this issue, hierarchical…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-22 Tianyu Qi , Yufeng Zhan , Peng Li , Jingcai Guo , Yuanqing Xia

Federated learning (FL) supports training models on geographically distributed devices. However, traditional FL systems adopt a centralized synchronous strategy, putting high communication pressure and model generalization challenge.…

Machine Learning · Computer Science 2021-11-17 Jing Cao , Zirui Lian , Weihong Liu , Zongwei Zhu , Cheng Ji

We study asynchronous federated learning mechanisms with nodes having potentially different computational speeds. In such an environment, each node is allowed to work on models with potential delays and contribute to updates to the central…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-02 Louis Leconte , Matthieu Jonckheere , Sergey Samsonov , Eric Moulines

With the growing availability of smart devices and cloud services, personal speech assistance systems are increasingly used on a daily basis. Most devices redirect the voice recordings to a central server, which uses them for upgrading the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-01 Wentao Yu , Jan Freiwald , Sören Tewes , Fabien Huennemeyer , Dorothea Kolossa