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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

Federated learning (FL) has attracted growing interest for enabling privacy-preserving machine learning on data stored at multiple users while avoiding moving the data off-device. However, while data never leaves users' devices, privacy…

Machine Learning · Computer Science 2022-08-05 Ahmed Roushdy Elkordy , Jiang Zhang , Yahya H. Ezzeldin , Konstantinos Psounis , Salman Avestimehr

Federated learning becomes a prominent approach when different entities want to learn collaboratively a common model without sharing their training data. However, Federated learning has two main drawbacks. First, it is quite bandwidth…

Cryptography and Security · Computer Science 2021-03-02 Raouf Kerkouche , Gergely Ács , Claude Castelluccia , Pierre Genevès

Federated learning is used for decentralized training of machine learning models on a large number (millions) of edge mobile devices. It is challenging because mobile devices often have limited communication bandwidth and local computation…

Machine Learning · Computer Science 2021-11-09 Hakim Sidahmed , Zheng Xu , Ankush Garg , Yuan Cao , Mingqing Chen

Sparse training is often adopted in cross-device federated learning (FL) environments where constrained devices collaboratively train a machine learning model on private data by exchanging pseudo-gradients across heterogeneous networks.…

Machine Learning · Computer Science 2025-04-08 Adriano Guastella , Lorenzo Sani , Alex Iacob , Alessio Mora , Paolo Bellavista , Nicholas D. Lane

Federated learning (FL) has emerged as a powerful approach to safeguard data privacy by training models across distributed edge devices without centralizing local data. Despite advancements in homogeneous data scenarios, maintaining…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Yuting Ma , Shengeng Tang , Xiaohua Xu , Lechao Cheng

Federated Learning (FL) enables collaborative model training without centralizing client data, making it attractive for privacy-sensitive domains. While existing approaches employ cryptographic techniques such as homomorphic encryption,…

Cryptography and Security · Computer Science 2026-02-09 Sahar Ghoflsaz Ghinani , Elaheh Sadredini

In Federated Learning (FL) paradigm, a parameter server (PS) concurrently communicates with distributed participating clients for model collection, update aggregation, and model distribution over multiple rounds, without touching private…

Machine Learning · Computer Science 2024-02-07 Xiaoxin Su , Yipeng Zhou , Laizhong Cui , John C. S. Lui , Jiangchuan Liu

Calibrating machine learning models so that predicted probabilities better reflect the true outcome frequencies is crucial for reliable decision-making across many applications. In Federated Learning (FL), the goal is to train a global…

Machine Learning · Computer Science 2025-10-03 Samuel Maddock , Graham Cormode , Carsten Maple

Federated learning (FL) has emerged as a promising learning paradigm in which only local model parameters (gradients) are shared. Private user data never leaves the local devices thus preserving data privacy. However, recent research has…

Cryptography and Security · Computer Science 2022-12-23 Xiaochan Xue , Moh Khalid Hasan , Shucheng Yu , Laxima Niure Kandel , Min Song

This paper introduces a novel framework designed to achieve a high compression ratio in Split Learning (SL) scenarios where resource-constrained devices are involved in large-scale model training. Our investigations demonstrate that…

Machine Learning · Computer Science 2025-09-11 Wenxuan Zhou , Zhihao Qu , Shen-Huan Lyu , Miao Cai , Baoliu Ye

Federated Learning (FL) is a popular algorithm to train machine learning models on user data constrained to edge devices (for example, mobile phones) due to privacy concerns. Typically, FL is trained with the assumption that no part of the…

Federated learning (FL) strives to enable collaborative training of machine learning models without centrally collecting clients' private data. Different from centralized training, the local datasets across clients in FL are non-independent…

Machine Learning · Computer Science 2022-10-07 Jiawei Shao , Yuchang Sun , Songze Li , Jun Zhang

We propose a privacy-preserving federated learning (FL) scheme that is resilient against straggling devices. An adaptive scenario is suggested where the slower devices share their data with the faster ones and do not participate in the…

Information Theory · Computer Science 2022-03-01 Marvin Xhemrishi , Alexandre Graell i Amat , Eirik Rosnes , Antonia Wachter-Zeh

Federated Learning (FL) is a decentralized machine learning protocol that allows a set of participating agents to collaboratively train a model without sharing their data. This makes FL particularly suitable for settings where data privacy…

Machine Learning · Computer Science 2020-10-30 Mustafa Safa Ozdayi , Murat Kantarcioglu , Rishabh Iyer

The Federated Learning (FL) workflow of training a centralized model with distributed data is growing in popularity. However, until recently, this was the realm of contributing clients with similar computing capability. The fast expanding…

Machine Learning · Computer Science 2022-03-23 Hongrui Shi , Valentin Radu

Federated learning (FL) is a distributed machine learning method where multiple devices collaboratively train a model under the management of a central server without sharing underlying data. One of the key challenges of FL is the…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Emre Ardıç , Yakup Genç

Federated Learning (FL) solutions with central Differential Privacy (DP) have seen large improvements in their utility in recent years arising from the matrix mechanism, while FL solutions with distributed (more private) DP have lagged…

Cryptography and Security · Computer Science 2025-06-18 Alexander Bienstock , Ujjwal Kumar , Antigoni Polychroniadou

Secure aggregation is a popular protocol in privacy-preserving federated learning, which allows model aggregation without revealing the individual models in the clear. On the other hand, conventional secure aggregation protocols incur a…

Machine Learning · Computer Science 2021-12-28 Irem Ergun , Hasin Us Sami , Basak Guler

Federated learning (FL) has attracted growing attention since it allows for privacy-preserving collaborative training on decentralized clients without explicitly uploading sensitive data to the central server. However, recent works have…

Machine Learning · Computer Science 2023-12-19 Yuting Ma , Yuanzhi Yao , Xiaohua Xu