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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 (FL) is an innovative distributed artificial intelligence (AI) technique. It has been used for interdisciplinary studies in different fields such as healthcare, marketing and finance. However the application of FL in…

Networking and Internet Architecture · Computer Science 2024-11-08 Han Zhang , Medhat Elsayed , Majid Bavand , Raimundas Gaigalas , Yigit Ozcan , Melike Erol-Kantarci

We study federated learning (FL), which enables mobile devices to utilize their local datasets to collaboratively train a global model with the help of a central server, while keeping data localized. At each iteration, the server broadcasts…

Information Theory · Computer Science 2020-10-08 Mohammad Mohammadi Amiri , Deniz Gunduz , Sanjeev R. Kulkarni , H. Vincent Poor

Federated learning (FL) can achieve privacy-safe and reliable collaborative training without collecting users' private data. Its excellent privacy security potential promotes a wide range of FL applications in Internet-of-Things (IoT),…

Machine Learning · Computer Science 2023-09-26 Xiaofeng Liu , Qing Wang , Yunfeng Shao , Yinchuan Li

Personalization aims to characterize individual preferences and is widely applied across many fields. However, conventional personalized methods operate in a centralized manner, potentially exposing raw data when pooling individual…

Machine Learning · Computer Science 2025-08-06 Hao Di , Yi Yang , Haishan Ye , Xiangyu Chang

A key feature of federated learning (FL) is to preserve the data privacy of end users. However, there still exist potential privacy leakage in exchanging gradients under FL. As a result, recent research often explores the differential…

Cryptography and Security · Computer Science 2024-03-20 Yuntao Wang , Zhou Su , Yanghe Pan , Tom H Luan , Ruidong Li , Shui Yu

Traditionally, federated learning (FL) aims to train a single global model while collaboratively using multiple clients and a server. Two natural challenges that FL algorithms face are heterogeneity in data across clients and collaboration…

Machine Learning · Computer Science 2021-02-24 Kaan Ozkara , Navjot Singh , Deepesh Data , Suhas Diggavi

In Federated Learning (FL), the clients learn a single global model (FedAvg) through a central aggregator. In this setting, the non-IID distribution of the data across clients restricts the global FL model from delivering good performance…

Machine Learning · Computer Science 2021-07-29 Siddharth Divi , Yi-Shan Lin , Habiba Farrukh , Z. Berkay Celik

Train machine learning models on sensitive user data has raised increasing privacy concerns in many areas. Federated learning is a popular approach for privacy protection that collects the local gradient information instead of real data.…

Cryptography and Security · Computer Science 2021-05-24 Lichao Sun , Jianwei Qian , Xun Chen

Inherent communication noises have the potential to preserve privacy for wireless federated learning (WFL) but have been overlooked in digital communication systems predominantly using floating-point number standards, e.g., IEEE 754, for…

Machine Learning · Computer Science 2025-06-19 Weicai Li , Tiejun Lv , Xiyu Zhao , Xin Yuan , Wei Ni

Federated learning (FL) offers a privacy-preserving framework for distributed machine learning, enabling collaborative model training across diverse clients without centralizing sensitive data. However, statistical heterogeneity,…

Machine Learning · Statistics 2025-04-08 Hengrui Hu , Anai N. Kothari , Anjishnu Banerjee

Federated learning (FL) research has made progress in developing algorithms for distributed learning of global models, as well as algorithms for local personalization of those common models to the specifics of each client's local data…

Machine Learning · Computer Science 2023-10-05 Royson Lee , Minyoung Kim , Da Li , Xinchi Qiu , Timothy Hospedales , Ferenc Huszár , Nicholas D. Lane

Personalized federated learning has received an upsurge of attention due to the mediocre performance of conventional federated learning (FL) over heterogeneous data. Unlike conventional FL which trains a single global consensus model,…

Machine Learning · Computer Science 2023-09-08 Jun Luo , Matias Mendieta , Chen Chen , Shandong Wu

In federated learning (FL), balancing privacy protection, learning quality, and efficiency remains a challenge. Privacy protection mechanisms, such as Differential Privacy (DP), degrade learning quality, or, as in the case of Homomorphic…

Machine Learning · Computer Science 2026-03-06 Yenan Wang , Carla Fabiana Chiasserini , Elad Michael Schiller

Federated Learning (FL) is a distributed machine learning paradigm that achieves a globally robust model through decentralized computation and periodic model synthesis, primarily focusing on the global model's accuracy over aggregated…

Machine Learning · Computer Science 2024-11-27 Han Liang , Ziwei Zhan , Weijie Liu , Xiaoxi Zhang , Chee Wei Tan , Xu Chen

Federated Learning (FL) is currently the most widely adopted framework for collaborative training of (deep) machine learning models under privacy constraints. Albeit it's popularity, it has been observed that Federated Learning yields…

Machine Learning · Computer Science 2019-10-07 Felix Sattler , Klaus-Robert Müller , Wojciech Samek

Federated learning (FL) is a useful tool in distributed machine learning that utilizes users' local datasets in a privacy-preserving manner. When deploying FL in a constrained wireless environment; however, training models in a…

Machine Learning · Computer Science 2022-05-06 Jake Perazzone , Shiqiang Wang , Mingyue Ji , Kevin Chan

Split Federated Learning (SFL) has emerged as an efficient alternative to traditional Federated Learning (FL) by reducing client-side computation through model partitioning. However, exchanging of intermediate activations and model updates…

Machine Learning · Computer Science 2026-01-01 Xingchen Wang , Feijie Wu , Chenglin Miao , Tianchun Li , Haoyu Hu , Qiming Cao , Jing Gao , Lu Su

Personalised federated learning (FL) aims at collaboratively learning a machine learning model taylored for each client. Albeit promising advances have been made in this direction, most of existing approaches works do not allow for…

Machine Learning · Computer Science 2023-01-30 Nikita Kotelevskii , Maxime Vono , Eric Moulines , Alain Durmus

Federated Learning (FL) provides a decentralized machine learning approach, where multiple devices or servers collaboratively train a model without sharing their raw data, thus enabling data privacy. This approach has gained significant…

Machine Learning · Computer Science 2025-02-17 Mahad Ali , Curtis Lisle , Patrick W. Moore , Tammer Barkouki , Brian J. Kirkwood , Laura J. Brattain