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Federated Learning (FL) enables privacy-preserving collaborative model training, but its effectiveness is often limited by client data heterogeneity. We introduce a client-selection algorithm that (i) dynamically forms nonoverlapping…

Machine Learning · Computer Science 2025-10-16 Alessandro Licciardi , Roberta Raineri , Anton Proskurnikov , Lamberto Rondoni , Lorenzo Zino

With the increasing amount of multimedia data on modern mobile systems and IoT infrastructures, harnessing these rich multimodal data without breaching user privacy becomes a critical issue. Federated learning (FL) serves as a…

Machine Learning · Computer Science 2023-05-09 Qiying Yu , Yang Liu , Yimu Wang , Ke Xu , Jingjing Liu

Federated Learning (FL) is a distributed learning scheme to train a shared model across clients. One common and fundamental challenge in FL is that the sets of data across clients could be non-identically distributed and have different…

Machine Learning · Computer Science 2023-05-23 Junyi Zhu , Xingchen Ma , Matthew B. Blaschko

Federated Learning (FL) has emerged as a means of distributed learning using local data stored at clients with a coordinating server. Recent studies showed that FL can suffer from poor performance and slower convergence when training data…

Machine Learning · Computer Science 2023-08-17 Van Sy Mai , Richard J. La , Tao Zhang

In many distributed learning setups such as federated learning (FL), client nodes at the edge use individually collected data to compute local gradients and send them to a central master server. The master server then aggregates the…

Information Theory · Computer Science 2023-04-18 Kai Liang , Songze Li , Ming Ding , Youlong Wu

Federated learning (FL) is increasingly adopted in domains like healthcare, where data privacy is paramount. A fundamental challenge in these systems is statistical heterogeneity-the fact that data distributions vary significantly across…

Machine Learning · Computer Science 2026-02-12 Zijian Wang , Xiaofei Zhang , Xin Zhang , Yukun Liu , Qiong Zhang

Federated learning (FL) is a machine learning paradigm that facilitates massively distributed model training with end-user data on edge devices directed by a central server. However, the large number of heterogeneous clients in FL…

Machine Learning · Computer Science 2025-04-23 Qifan Yan , Andrew Liu , Shiqi He , Mathias Lécuyer , Ivan Beschastnikh

Private data, being larger and quality-higher than public data, can greatly improve large language models (LLM). However, due to privacy concerns, this data is often dispersed in multiple silos, making its secure utilization for LLM…

Cryptography and Security · Computer Science 2024-12-24 JiaYing Zheng , HaiNan Zhang , LingXiang Wang , WangJie Qiu , HongWei Zheng , ZhiMing Zheng

Federated Learning is a collaborative machine learning framework to train a deep learning model without accessing clients' private data. Previous works assume one central parameter server either at the cloud or at the edge. The cloud server…

Networking and Internet Architecture · Computer Science 2019-11-01 Lumin Liu , Jun Zhang , S. H. Song , Khaled B. Letaief

To reduce the communication overhead caused by parallel training of multiple clients, various federated learning (FL) techniques use random client sampling. Nonetheless, ensuring the efficacy of random sampling and determining the optimal…

Information Retrieval · Computer Science 2024-05-28 Kirandeep Kaur , Sujit Gujar , Shweta Jain

Federated Learning (FL) has emerged as a vital paradigm in modern machine learning that enables collaborative training across decentralized data sources without exchanging raw data. This approach not only addresses privacy concerns but also…

Machine Learning · Computer Science 2025-08-19 Zahra Kharaghani , Ali Dadras , Tommy Löfstedt

Federated Learning allows the training of machine learning models by using the computation and private data resources of many distributed clients. Most existing results on Federated Learning (FL) assume the clients have ground-truth labels.…

Machine Learning · Computer Science 2022-10-12 Enmao Diao , Jie Ding , Vahid Tarokh

Rapid scaling of deep learning models has enabled performance gains across domains, yet it introduced several challenges. Federated Learning (FL) has emerged as a promising framework to address these concerns by enabling decentralized…

Federated Learning (FL) is a distributed machine learning paradigm that addresses privacy concerns in machine learning and still guarantees high test accuracy. However, achieving the necessary accuracy by having all clients participate in…

Machine Learning · Computer Science 2023-12-14 Ruonan Dong , Hui Xu , Han Zhang , GuoPeng Zhang

Federated learning (FL) is a new distributed machine learning framework known for its benefits on data privacy and communication efficiency. Since full client participation in many cases is infeasible due to constrained resources, partial…

Machine Learning · Computer Science 2023-05-10 Heqiang Wang , Jie Xu

Federated learning (FL) is a trending training paradigm to utilize decentralized training data. FL allows clients to update model parameters locally for several epochs, then share them to a global model for aggregation. This training…

Machine Learning · Computer Science 2022-08-09 Xiaoxiao Li , Zhao Song , Jiaming Yang

Federated Learning (FL) is a very promising approach for improving decentralized Machine Learning (ML) models by exchanging knowledge between participating clients without revealing private data. Nevertheless, FL is still not tailored to…

Artificial Intelligence · Computer Science 2020-05-15 Thomas Hiessl , Daniel Schall , Jana Kemnitz , Stefan Schulte

Federated Learning (FL) has emerged as a promising paradigm for collaborative model training across distributed edge devices while preserving data privacy especially with the huge increase amount of data due to the adoption of technologies…

Machine Learning · Computer Science 2026-05-18 Chaimaa Medjadji , Guilain Leduc , Sylvain Kubler , Yves Le Traon

Federated Learning (FL) is a distributed Machine Learning (ML) technique that can benefit from cloud environments while preserving data privacy. We propose Multi-FedLS, a framework that manages multi-cloud resources, reducing execution time…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-21 Rafaela C. Brum , Maria Clicia Stelling de Castro , Luciana Arantes , Lúcia Maria de A. Drummond , Pierre Sens

Federated Learning (FL) enables distributed Artificial Intelligence (AI) across cloud-edge environments by allowing collaborative model training without centralizing data. In cross-device deployments, FL systems face strict communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-03-11 Daniel M. Jimenez-Gutierrez , Giovanni Giunta , Mehrdad Hassanzadeh , Aris Anagnostopoulos , Ioannis Chatzigiannakis , Andrea Vitaletti