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Federated Learning (FL) aggregates locally trained models from individual clients to construct a global model. While FL enables learning a model with data privacy, it often suffers from significant performance degradation when clients have…

Machine Learning · Computer Science 2024-03-29 Gihun Lee , Minchan Jeong , Sangmook Kim , Jaehoon Oh , Se-Young Yun

Federated learning is a distributed paradigm that aims at training models using samples distributed across multiple users in a network while keeping the samples on users' devices with the aim of efficiency and protecting users privacy. In…

Machine Learning · Computer Science 2020-06-17 Amirhossein Reisizadeh , Farzan Farnia , Ramtin Pedarsani , Ali Jadbabaie

Recent years have witnessed a huge demand for artificial intelligence and machine learning applications in wireless edge networks to assist individuals with real-time services. Owing to the practical setting and privacy preservation of…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-08 Shuai Wang , Yanqing Xu , Yanyi Yuan , Tony Q. S. Quek

Federated Learning (FL) is a variant of distributed learning where edge devices collaborate to learn a model without sharing their data with the central server or each other. We refer to the process of training multiple independent models…

Machine Learning · Computer Science 2022-09-22 Neelkamal Bhuyan , Sharayu Moharir , Gauri Joshi

Federated Learning (FL) is an emerging machine learning technique that enables distributed model training across data silos or edge devices without data sharing. Yet, FL inevitably introduces inefficiencies compared to centralized model…

Machine Learning · Computer Science 2024-01-11 Philipp Wiesner , Ramin Khalili , Dennis Grinwald , Pratik Agrawal , Lauritz Thamsen , Odej Kao

Federated learning (FL) enables distributed devices to collaboratively train machine learning models while maintaining data privacy. However, the heterogeneous hardware capabilities of devices often result in significant training delays, as…

Machine Learning · Computer Science 2025-09-23 Letian Zhang , Bo Chen , Jieming Bian , Lei Wang , Jie Xu

Stochastic compositional optimization arises in many important machine learning tasks such as value function evaluation in reinforcement learning and portfolio management. The objective function is the composition of two expectations of…

Machine Learning · Statistics 2020-01-28 Huizhuo Yuan , Xiangru Lian , Ji Liu

Federated Learning (FL) enables a group of clients to collaboratively train a model without sharing individual data, but its performance drops when client data are heterogeneous. Clustered FL tackles this by grouping similar clients.…

Machine Learning · Computer Science 2026-03-02 Anik Pramanik , Murat Kantarcioglu , Vincent Oria , Shantanu Sharma

Federated learning (FL) as a promising edge-learning framework can effectively address the latency and privacy issues by featuring distributed learning at the devices and model aggregation in the central server. In order to enable efficient…

Information Theory · Computer Science 2022-07-12 Chunmei Xu , Shengheng Liu , Zhaohui Yang , Yongming Huang , Kai-Kit Wong

Federated Learning (FL) enables collaborative model training across distributed clients without data sharing, but its high computational and communication demands strain resource-constrained devices. While existing methods use dynamic…

Machine Learning · Computer Science 2025-10-17 Hong Huang , Hai Yang , Yuan Chen , Jiaxun Ye , Dapeng Wu

Federated learning (FL) enables a set of distributed clients to jointly train machine learning models while preserving their local data privacy, making it attractive for applications in healthcare, finance, mobility, and smart-city systems.…

Machine Learning · Computer Science 2026-03-26 Eman M. AbouNassar , Amr Elshall , Sameh Abdulah

Data heterogeneity across clients is a key challenge in federated learning. Prior works address this by either aligning client and server models or using control variates to correct client model drift. Although these methods achieve fast…

Machine Learning · Computer Science 2023-06-12 Bo Li , Mikkel N. Schmidt , Tommy S. Alstrøm , Sebastian U. Stich

Federated learning (FL) is an emerging paradigm to train model with distributed data from numerous Internet of Things (IoT) devices. It inherently assumes a uniform capacity among participants. However, due to different conditions such as…

Machine Learning · Computer Science 2023-07-04 Hao Zhang , Tingting Wu , Siyao Cheng , Jie Liu

We consider the nonsmooth convex composition optimization problem where the objective is a composition of two finite-sum functions and analyze stochastic compositional variance reduced gradient (SCVRG) methods for them. SCVRG and its…

Optimization and Control · Mathematics 2019-08-01 Tianyi Lin , Chenyou Fan , Mengdi Wang

While traditional Deep Learning (DL) optimization methods treat all training samples equally, Distributionally Robust Optimization (DRO) adaptively assigns importance weights to different samples. However, a significant gap exists between…

With the proliferation of distributed data sources, Federated Learning (FL) has emerged as a key approach to enable collaborative intelligence through decentralized model training while preserving data privacy. However, conventional FL…

Machine Learning · Computer Science 2026-02-03 Noorain Mukhtiar , Adnan Mahmood , Quan Z. Sheng

Federated learning (FL) enables collaborative model training across multiple parties without sharing raw data, with semi-asynchronous FL (SAFL) emerging as a balanced approach between synchronous and asynchronous FL. However, SAFL faces…

Machine Learning · Computer Science 2025-11-26 Yunbo Li , Jiaping Gui , Zhihang Deng , Fanchao Meng , Yue Wu

Federated learning (FL) has prevailed as an efficient and privacy-preserved scheme for distributed learning. In this work, we mainly focus on the optimization of computation and communication in FL from a view of pruning. By adopting…

Machine Learning · Computer Science 2023-03-14 Zheqi Zhu , Yuchen Shi , Jiajun Luo , Fei Wang , Chenghui Peng , Pingyi Fan , Khaled B. Letaief

Federated learning (FL) aims to minimize the communication complexity of training a model over heterogeneous data distributed across many clients. A common approach is local methods, where clients take multiple optimization steps over local…

Machine Learning · Computer Science 2023-04-18 Charlie Hou , Kiran K. Thekumparampil , Giulia Fanti , Sewoong Oh

In this paper, we propose an unmanned aerial vehicle (UAV)-assisted federated learning (FL) framework that jointly optimizes UAV trajectory, user participation, power allocation, and data volume control to minimize overall system energy…

Networking and Internet Architecture · Computer Science 2025-08-06 Chien-Wei Fu , Meng-Lin Ku