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Federated learning (FL) is a privacy-preserving machine learning paradigm that enables multiple parties to collaboratively train models on privately owned data without sharing raw information. While standard FL typically addresses either…

Machine Learning · Computer Science 2026-02-24 Afsana Khan , Marijn ten Thij , Guangzhi Tang , Anna Wilbik

Federated Learning (FL) is a decentralized collaborative Machine Learning framework for training models without collecting data in a centralized location. It has seen application across various disciplines, from helping medical diagnoses in…

Machine Learning · Computer Science 2025-06-26 Arno Geimer , Karthick Panner Selvam , Beltran Fiz Pontiveros

Federated learning is a distributed machine learning approach where multiple clients collaboratively train a model without sharing their local data, which contributes to preserving privacy. A challenge in federated learning is managing…

Machine Learning · Computer Science 2025-03-04 Rickard Brännvall

Federated learning (FL) is an effective solution to train machine learning models on the increasing amount of data generated by IoT devices and smartphones while keeping such data localized. Most previous work on federated learning assumes…

Machine Learning · Computer Science 2023-01-05 Othmane Marfoq , Giovanni Neglia , Laetitia Kameni , Richard Vidal

Federated Learning (FL) enables distributed optimization without compromising data sovereignty. Yet, where local label distributions are mutually exclusive, standard weight aggregation fails due to conflicting optimization trajectories.…

Machine Learning · Computer Science 2026-03-18 Andrea Moleri , Christian Internò , Ali Raza , Markus Olhofer , David Klindt , Fabio Stella , Barbara Hammer

Federated Learning (FL), a privacy-preserving machine learning framework, faces significant data-related challenges. For example, the lack of suitable public datasets leads to ineffective information exchange, especially in heterogeneous…

Cryptography and Security · Computer Science 2025-04-22 Xi Li , Chen Wu , Jiaqi Wang

Over recent years, Federated Learning (FL) has proven to be one of the most promising methods of distributed learning which preserves data privacy. As the method evolved and was confronted to various real-world scenarios, new challenges…

Machine Learning · Statistics 2024-11-15 Michael Ben Ali , Omar El-Rifai , Imen Megdiche , André Peninou , Olivier Teste

Federated learning is a distributed machine learning approach to privacy preservation and two major technical challenges prevent a wider application of federated learning. One is that federated learning raises high demands on communication,…

Machine Learning · Computer Science 2020-03-06 Hangyu Zhu , Yaochu Jin

After entering the era of big data, more and more companies build services with machine learning techniques. However, it is costly for companies to collect data and extract helpful handcraft features on their own. Although it is a way to…

Cryptography and Security · Computer Science 2024-10-31 Huan-Chih Wang , Ja-Ling Wu

For healthcare datasets, it is often not possible to combine data samples from multiple sites due to ethical, privacy or logistical concerns. Federated learning allows for the utilisation of powerful machine learning algorithms without…

In Machine Learning scenarios, privacy is a crucial concern when models have to be trained with private data coming from users of a service, such as a recommender system, a location-based mobile service, a mobile phone text messaging…

Machine Learning · Computer Science 2020-07-20 Vito Walter Anelli , Yashar Deldjoo , Tommaso Di Noia , Antonio Ferrara

Restrictive rules for data sharing in many industries have led to the development of federated learning. Federated learning is a machine-learning technique that allows distributed clients to train models collaboratively without the need to…

Computers and Society · Computer Science 2023-09-07 Joaquin Delgado Fernandez , Martin Brennecke , Tom Barbereau , Alexander Rieger , Gilbert Fridgen

Federated learning has become a popular tool in the big data era nowadays. It trains a centralized model based on data from different clients while keeping data decentralized. In this paper, we propose a federated sparse sliced inverse…

Machine Learning · Statistics 2023-01-24 Wenquan Cui , Yue Zhao , Jianjun Xu , Haoyang Cheng

Federated Learning (FL) is a novel, multidisciplinary Machine Learning paradigm where multiple clients, such as mobile devices, collaborate to solve machine learning problems. Initially introduced in Kone{\v{c}}n{\'y} et al. (2016a,b);…

Machine Learning · Computer Science 2025-09-11 Konstantin Burlachenko

Federated Learning enables entities to collaboratively learn a shared prediction model while keeping their training data locally. It prevents data collection and aggregation and, therefore, mitigates the associated privacy risks. However,…

Cryptography and Security · Computer Science 2020-10-16 Raouf Kerkouche , Gergely Ács , Claude Castelluccia

Although data-driven methods usually have noticeable performance on disease diagnosis and treatment, they are suspected of leakage of privacy due to collecting data for model training. Recently, federated learning provides a secure and…

Artificial Intelligence · Computer Science 2023-06-27 Yawei Zhao , Qinghe Liu , Xinwang Liu , Kunlun He

Federated Learning (FL) enables collaborative optimization of machine learning models across decentralized data by aggregating model parameters. Our approach extends this concept by aggregating "knowledge" derived from models, instead of…

Machine Learning · Computer Science 2024-02-28 Abhishek Singh , Gauri Gupta , Ritvik Kapila , Yichuan Shi , Alex Dang , Sheshank Shankar , Mohammed Ehab , Ramesh Raskar

Conventional federated learning primarily aims to secure the privacy of data distributed across multiple edge devices, with the global model dispatched to edge devices for parameter updates during the learning process. However, the…

Machine Learning · Computer Science 2024-06-18 JianHao Zhu , Changze Lv , Xiaohua Wang , Muling Wu , Wenhao Liu , Tianlong Li , Zixuan Ling , Cenyuan Zhang , Xiaoqing Zheng , Xuanjing Huang

As privacy concerns continue to grow, federated learning (FL) has gained significant attention as a promising privacy-preserving technology, leading to considerable advancements in recent years. Unlike traditional machine learning, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-05 Boyu Fan , Siyang Jiang , Xiang Su , Sasu Tarkoma , Pan Hui

For early breast cancer detection, regular screening with mammography imaging is recommended. Routinary examinations result in datasets with a predominant amount of negative samples. A potential solution to such class-imbalance is joining…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Amelia Jiménez-Sánchez , Mickael Tardy , Miguel A. González Ballester , Diana Mateus , Gemma Piella