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We consider the fully decentralized machine learning scenario where many users with personal datasets collaborate to learn models through local peer-to-peer exchanges, without a central coordinator. We propose to train personalized models…

Machine Learning · Computer Science 2024-12-20 Valentina Zantedeschi , Aurélien Bellet , Marc Tommasi

Federated Learning (FL) is a distributed machine learning (ML) paradigm, aiming to train a global model by exploiting the decentralized data across millions of edge devices. Compared with centralized learning, FL preserves the clients'…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Bocheng Chen , Nikolay Ivanov , Guangjing Wang , Qiben Yan

Federated learning (FL) is an important paradigm for training global models from decentralized data in a privacy-preserving way. Existing FL methods usually assume the global model can be trained on any participating client. However, in…

Machine Learning · Computer Science 2022-07-19 Ruixuan Liu , Fangzhao Wu , Chuhan Wu , Yanlin Wang , Lingjuan Lyu , Hong Chen , Xing Xie

Federated Learning (FL) offers a promising paradigm for training Large Language Models (LLMs) in a decentralized manner while preserving data privacy and minimizing communication overhead. This survey examines recent advancements in…

Machine Learning · Computer Science 2025-05-12 Youyang Qu , Ming Liu , Tianqing Zhu , Longxiang Gao , Shui Yu , Wanlei Zhou

Current network training paradigms primarily focus on either centralized or decentralized data regimes. However, in practice, data availability often exhibits a hybrid nature, where both regimes coexist. This hybrid setting presents new…

Machine Learning · Computer Science 2025-12-01 Junyi Zhu , Ruicong Yao , Taha Ceritli , Savas Ozkan , Matthew B. Blaschko , Eunchung Noh , Jeongwon Min , Cho Jung Min , Mete Ozay

Federated learning (FL) refers to a distributed machine learning framework involving learning from several decentralized edge clients without sharing local dataset. This distributed strategy prevents data leakage and enables on-device…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-28 Taki Hasan Rafi , Faiza Anan Noor , Tahmid Hussain , Dong-Kyu Chae , Zhaohui Yang

In the last decade, data-driven algorithms outperformed traditional optimization-based algorithms in many research areas, such as computer vision, natural language processing, etc. However, extensive data usages bring a new challenge or…

Machine Learning · Computer Science 2021-12-02 Shih-Chun Lin , Chia-Hung Lin

Decentralized learning (DL) offers a powerful framework where nodes collaboratively train models without sharing raw data and without the coordination of a central server. In the iterative rounds of DL, models are trained locally, shared…

Machine Learning · Computer Science 2024-07-02 Akash Dhasade , Paolo Dini , Elia Guerra , Anne-Marie Kermarrec , Marco Miozzo , Rafael Pires , Rishi Sharma , Martijn de Vos

Federated Learning is an emerging distributed collaborative learning paradigm used by many of applications nowadays. The effectiveness of federated learning relies on clients' collective efforts and their willingness to contribute local…

Computer Science and Game Theory · Computer Science 2022-05-24 Shuyu Kong , You Li , Hai Zhou

Motivated by the explosive computing capabilities at end user equipments, as well as the growing privacy concerns over sharing sensitive raw data, a new machine learning paradigm, named federated learning (FL) has emerged. By training…

Networking and Internet Architecture · Computer Science 2021-06-07 Chuan Ma , Jun Li , Ming Ding , Long Shi , Taotao Wang , Zhu Han , H. Vincent Poor

Federated learning (FL) is a distributed training paradigm that enables collaborative learning across clients without sharing local data, thereby preserving privacy. However, the increasing scale and complexity of modern deep models often…

Machine Learning · Computer Science 2025-05-20 Honggu Kang , Seohyeon Cha , Joonhyuk Kang

In decentralized machine learning, workers compute model updates on their local data. Because the workers only communicate with few neighbors without central coordination, these updates propagate progressively over the network. This…

Machine Learning · Computer Science 2022-02-01 Thijs Vogels , Lie He , Anastasia Koloskova , Tao Lin , Sai Praneeth Karimireddy , Sebastian U. Stich , Martin Jaggi

The advent of Federated Learning (FL) has ignited a new paradigm for parallel and confidential decentralized Machine Learning (ML) with the potential of utilizing the computational power of a vast number of IoT, mobile and edge devices…

Machine Learning · Computer Science 2022-12-06 Leon Witt , Mathis Heyer , Kentaroh Toyoda , Wojciech Samek , Dan Li

The emergence of large language models (LLMs) has revolutionized AI development, yet the resource demands beyond a single cluster or even datacenter, limiting accessibility to well-resourced organizations. Decentralized training has emerged…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-29 Haotian Dong , Jingyan Jiang , Rongwei Lu , Jiajun Luo , Jiajun Song , Bowen Li , Ying Shen , Zhi Wang

Federated learning promises to revolutionize machine learning by enabling collaborative model training without compromising data privacy. However, practical adaptability can be limited by critical factors, such as the participation dilemma.…

Machine Learning · Computer Science 2025-10-20 Chanuka A. S. Hewa Kaluannakkage , Rajkumar Buyya

Federated learning is proposed as a machine learning setting to enable distributed edge devices, such as mobile phones, to collaboratively learn a shared prediction model while keeping all the training data on device, which can not only…

Machine Learning · Computer Science 2020-03-13 Lifeng Liu , Fengda Zhang , Jun Xiao , Chao Wu

Federated learning (FL) enables collaborative training without pooling raw data, but standard FL relies on a central coordinator, which introduces a single point of failure and concentrates trust in the orchestration infrastructure.…

Machine Learning · Computer Science 2026-03-11 Edoardo Gabrielli , Anthony Di Pietro , Dario Fenoglio , Giovanni Pica , Gabriele Tolomei

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

Federated Learning (FL) has emerged as a promising distributed learning paradigm with an added advantage of data privacy. With the growing interest in having collaboration among data owners, FL has gained significant attention of…

Machine Learning · Computer Science 2023-04-11 Afsana Khan , Marijn ten Thij , Anna Wilbik

The existing work on the distributed training of machine learning (ML) models has consistently overlooked the distribution of the achieved learning quality, focusing instead on its average value. This leads to a poor dependability}of the…

Machine Learning · Computer Science 2024-02-23 Francesco Malandrino , Giuseppe Di Giacomo , Marco Levorato , Carla Fabiana Chiasserini