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Traditional deep learning models are trained at a centralized server using labeled data samples collected from end devices or users. Such data samples often include private information, which the users may not be willing to share. Federated…

Machine Learning · Computer Science 2021-02-24 Nir Shlezinger , Mingzhe Chen , Yonina C. Eldar , H. Vincent Poor , Shuguang Cui

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…

Quantum Federated Learning (QFL) is an emerging concept that aims to unfold federated learning (FL) over quantum networks, enabling collaborative quantum model training along with local data privacy. We explore the challenges of deploying…

Machine Learning · Computer Science 2024-05-03 Shiva Raj Pokhrel , Naman Yash , Jonathan Kua , Gang Li , Lei Pan

Quantum machine learning (QML) holds the promise to solve classically intractable problems, but, as critical data can be fragmented across private clients, there is a need for distributed QML in a quantum federated learning (QFL) format.…

Quantum Physics · Physics 2025-10-09 Jason Han , Nicholas S. DiBrita , Daniel Leeds , Jianqiang Li , Jason Ludmir , Tirthak Patel

Federated Learning (FL) is a machine learning paradigm to distributively learn machine learning models from decentralized data that remains on-device. Despite the success of standard Federated optimization methods, such as Federated…

Machine Learning · Computer Science 2022-06-23 Kartik Gupta , Marios Fournarakis , Matthias Reisser , Christos Louizos , Markus Nagel

Healthcare industries frequently handle sensitive and proprietary data, and due to strict privacy regulations, they are often reluctant to share data directly. In today's context, Federated Learning (FL) stands out as a crucial remedy,…

Quantum Physics · Physics 2024-07-08 Amandeep Singh Bhatia , David E. Bernal Neira

Organizations and enterprises across domains such as healthcare, finance, and scientific research are increasingly required to extract collective intelligence from distributed, siloed datasets while adhering to strict privacy, regulatory,…

Machine Learning · Computer Science 2026-01-16 Samar Abdelghani , Soumaya Cherkaoui

Federated Learning (FL) revolutionizes collaborative machine learning among Internet of Things (IoT) devices by enabling them to train models collectively while preserving data privacy. FL algorithms fall into two primary categories:…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-12 Liangkun Yu , Xiang Sun , Rana Albelaihi , Chaeeun Park , Sihua Shao

Federated learning (FL) has become one of the key methods for privacy-preserving collaborative learning, as it enables the transfer of models without requiring local data exchange. Within the FL framework, an aggregation algorithm is…

Machine Learning · Computer Science 2024-11-13 Haizhou Zhang , Xianjia Yu , Tomi Westerlund

Federated learning enables collaborative model training across decentralized clients under privacy constraints. Quantum computing offers potential for alleviating computational and communication burdens in federated learning, yet hybrid…

Machine Learning · Computer Science 2026-02-04 Yueheng Wang , Xing He , Zinuo Cai , Rui Zhang , Ruhui Ma , Yuan Liu , Rajkumar Buyya

Meta federated learning (FL) is a personalized variant of FL, where multiple agents collaborate on training an initial shared model without exchanging raw data samples. The initial model should be trained in a way that current or new agents…

Machine Learning · Computer Science 2025-05-14 Mohammad Vahid Jamali , Hamid Saber , Jung Hyun Bae

Federated learning is a decentralized machine learning framework that enables collaborative model training without revealing raw data. Due to the diverse hardware and software limitations, a client may not always be available for the…

Machine Learning · Computer Science 2024-02-21 Lili Su , Ming Xiang , Jiaming Xu , Pengkun Yang

Federated learning (FL) enables geographically dispersed edge devices (i.e., clients) to learn a global model without sharing the local datasets, where each client performs gradient descent with its local data and uploads the gradients to a…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-12-19 Heting Liu , Fang He , Guohong Cao

Federated averaging (FedAvg) is a popular algorithm for horizontal federated learning (FL), where samples are gathered across different clients and are not shared with each other or a central server. Extensive convergence analysis of FedAvg…

Machine Learning · Computer Science 2025-02-03 Tom Overman , Diego Klabjan

Federated learning (FL) allows remote clients to train a global model collaboratively while protecting client privacy. Despite its privacy-preserving benefits, FL has significant drawbacks, including slow convergence, high communication…

Machine Learning · Computer Science 2026-02-18 Mohammad Partohaghighi , Roummel Marcia , YangQuan Chen

Federated learning (FL) is a paradigm where many clients collaboratively train a model under the coordination of a central server, while keeping the training data locally stored. However, heterogeneous data distributions over different…

Machine Learning · Computer Science 2022-05-27 Yaqi Sun , Shijing Si , Jianzong Wang , Yuhan Dong , Zhitao Zhu , Jing Xiao

Federated learning often suffers from slow and unstable convergence due to the heterogeneous characteristics of participating client datasets. Such a tendency is aggravated when the client participation ratio is low since the information…

Machine Learning · Computer Science 2024-04-02 Geeho Kim , Jinkyu Kim , Bohyung Han

In Federated Learning (FL), the distributed nature and heterogeneity of client data present both opportunities and challenges. While collaboration among clients can significantly enhance the learning process, not all collaborations are…

Machine Learning · Computer Science 2024-07-18 Nazarii Tupitsa , Samuel Horváth , Martin Takáč , Eduard Gorbunov

Smart devices, such as smartphones, wearables, robots, and others, can collect vast amounts of data from their environment. This data is suitable for training machine learning models, which can significantly improve their behavior, and…

Machine Learning · Computer Science 2021-07-16 Fernando E. Casado , Dylan Lema , Marcos F. Criado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

Federated Learning (FL) allows distributed model training without sharing raw data, but suffers when client participation is partial. In practice, the distribution of available users (\emph{availability distribution} $q$) rarely aligns with…

Machine Learning · Computer Science 2025-09-19 Herlock , Rahimi , Dionysis Kalogerias