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With increasing concerns for data privacy and ownership, recent years have witnessed a paradigm shift in machine learning (ML). An emerging paradigm, federated learning (FL), has gained great attention and has become a novel design for…

Cryptography and Security · Computer Science 2022-08-24 Xu Cheng , Chendan Li , Xiufeng Liu

Quantum federated learning (QFL) has been recently introduced to enable a distributed privacy-preserving quantum machine learning (QML) model training across quantum processors (clients). Despite recent research efforts, existing QFL…

Artificial Intelligence · Computer Science 2025-10-21 Atit Pokharel , Ratun Rahman , Thomas Morris , Dinh C. Nguyen

Collaborative threat intelligence via federated learning (FL) faces critical risks from quantum computing, which can compromise classical encryption methods. This study proposes a quantum-secure FL framework using post-quantum cryptography…

Cryptography and Security · Computer Science 2026-03-10 Prabhudarshi Nayak , Gogulakrishnan Thiyagarajan , Ritunsa Mishra , Vinay Bist

Almost all existing hierarchical federated learning (FL) models are limited to two aggregation layers, restricting scalability and flexibility in complex, large-scale networks. In this work, we propose a Multi-Layer Hierarchical Federated…

Machine Learning · Computer Science 2026-02-17 Seyed Mohammad Azimi-Abarghouyi , Carlo Fischione

Robust machine learning (ML) models can be developed by leveraging large volumes of data and distributing the computational tasks across numerous devices or servers. Federated learning (FL) is a technique in the realm of ML that facilitates…

Federated learning (FL) is an emerging machine learning paradigm involving multiple clients, e.g., mobile phone devices, with an incentive to collaborate in solving a machine learning problem coordinated by a central server. FL was proposed…

Machine Learning · Computer Science 2022-07-04 Samuel Horváth

Many of the machine learning (ML) tasks are focused on centralized learning (CL), which requires the transmission of local datasets from the clients to a parameter server (PS) leading to a huge communication overhead. Federated learning…

Machine Learning · Computer Science 2021-02-17 Ahmet M. Elbir , Sinem Coleri , Kumar Vijay Mishra

Many of the machine learning tasks rely on centralized learning (CL), which requires the transmission of local datasets from the clients to a parameter server (PS) entailing huge communication overhead. To overcome this, federated learning…

Federated learning (FL) is a framework for machine learning across heterogeneous client devices in a privacy-preserving fashion. To date, most FL algorithms learn a "global" server model across multiple rounds. At each round, the same…

Machine Learning · Computer Science 2022-08-22 Zachary Charles , Kallista Bonawitz , Stanislav Chiknavaryan , Brendan McMahan , Blaise Agüera y Arcas

Quantum Federated Learning (QFL) enables distributed training of Quantum Machine Learning (QML) models by sharing model gradients instead of raw data. However, these gradients can still expose sensitive user information. To enhance privacy,…

Cryptography and Security · Computer Science 2026-03-04 Lukas Böhm , Arjhun Swaminathan , Anika Hannemann , Erik Buchmann

6G wireless networks are expected to provide seamless and data-based connections that cover space-air-ground and underwater networks. As a core partition of future 6G networks, Space-Air-Ground Integrated Networks (SAGIN) have been…

Federated Learning (FL) is an evolving distributed machine learning approach that safeguards client privacy by keeping data on edge devices. However, the variation in data among clients poses challenges in training models that excel across…

Machine Learning · Computer Science 2025-03-04 Yongxin Guo , Xiaoying Tang , Tao Lin

In recent years, the field of quantum science has attracted significant interest across various disciplines, including quantum machine learning, quantum communication, and quantum computing. Among these emerging areas, quantum federated…

Quantum Physics · Physics 2023-04-11 Won Joon Yun , Hankyul Baek , Joongheon Kim

As the demand grows for scalable and privacy-aware AI systems, Federated Learning (FL) has emerged as a promising solution, allowing decentralized model training without moving raw data. At the same time, the combination of high-performance…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-26 Sangam Ghimire , Paribartan Timalsina , Nirjal Bhurtel , Bishal Neupane , Bigyan Byanju Shrestha , Subarna Bhattarai , Prajwal Gaire , Jessica Thapa , Sudan Jha

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…

Quantum Federated Learning (QFL) merges privacy-preserving federation with quantum computing gains, yet its resilience to adversarial noise is unknown. We first show that QFL is as fragile as centralized quantum learning. We propose Robust…

The classical machine learning paradigm requires the aggregation of user data in a central location where machine learning practitioners can preprocess data, calculate features, tune models and evaluate performance. The advantage of this…

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 (FL) is a distributed learning paradigm where clients collaboratively train a model while keeping their own data private. With an increasing scale of clients and models, FL encounters two key challenges, client drift due…

Machine Learning · Computer Science 2025-01-20 Jianhui Sun , Xidong Wu , Heng Huang , Aidong Zhang

Federated Learning (FL) has emerged as a promising paradigm for enabling collaborative machine learning while preserving data privacy, making it particularly suitable for Internet of Things (IoT) environments. However, resource-constrained…

Machine Learning · Computer Science 2025-09-17 Wilfrid Sougrinoma Compaoré , Yaya Etiabi , El Mehdi Amhoud , Mohamad Assaad