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Federated learning (FL) is an emerging distributed machine learning paradigm proposed for privacy preservation. Unlike traditional centralized learning approaches, FL enables multiple users to collaboratively train a shared global model…

Cryptography and Security · Computer Science 2024-10-01 Hangyu Zhu , Liyuan Huang , Zhenping Xie

Federated learning (FL) allows a server to learn a machine learning (ML) model across multiple decentralized clients that privately store their own training data. In contrast with centralized ML approaches, FL saves computation to the…

Cryptography and Security · Computer Science 2020-12-15 Alberto Blanco-Justicia , Josep Domingo-Ferrer , Sergio Martínez , David Sánchez , Adrian Flanagan , Kuan Eeik Tan

Federated learning (FL) enables multiple clients to jointly train a global model under the coordination of a central server. Although FL is a privacy-aware paradigm, where raw data sharing is not required, recent studies have shown that FL…

Federated Learning (FL) often adopts differential privacy (DP) to protect client data, but the added noise required for privacy guarantees can substantially degrade model accuracy. To resolve this challenge, we propose model-splitting…

Machine Learning · Computer Science 2025-10-01 Yiwei Li , Shuai Wang , Zhuojun Tian , Xiuhua Wang , Shijian Su

Machine Learning (ML) has become one of the most impactful fields of data science in recent years. However, a significant concern with ML is its privacy risks due to rising attacks against ML models. Privacy-Preserving Machine Learning…

Cryptography and Security · Computer Science 2024-09-11 Khoa Nguyen , Mindaugas Budzys , Eugene Frimpong , Tanveer Khan , Antonis Michalas

Federated learning (FL) has emerged as a privacy solution for collaborative distributed learning where clients train AI models directly on their devices instead of sharing their data with a centralized (potentially adversarial) server.…

Machine Learning · Computer Science 2022-09-08 Haleh Hayati , Carlos Murguia , Nathan van de Wouw

Federated learning (FL) enables collaborative model training across distributed nodes without exposing raw data, but its decentralized nature makes it vulnerable in trust-deficient environments. Inference attacks may recover sensitive…

Machine Learning · Computer Science 2025-11-04 Guanjie Cheng , Mengzhen Yang , Xinkui Zhao , Shuyi Yu , Tianyu Du , Yangyang Wu , Mengying Zhu , Shuiguang Deng

The report demonstrates the benefits (in terms of improved claims loss modeling) of harnessing the value of Federated Learning (FL) to learn a single model across multiple insurance industry datasets without requiring the datasets…

Machine Learning · Computer Science 2024-02-26 Panyi Dong , Zhiyu Quan , Brandon Edwards , Shih-han Wang , Runhuan Feng , Tianyang Wang , Patrick Foley , Prashant Shah

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

Federated Learning (FL) has been proposed as a privacy-preserving solution for distributed machine learning, particularly in heterogeneous FL settings where clients have varying computational capabilities and thus train models with…

Machine Learning · Computer Science 2025-03-11 Gergely Dániel Németh , Miguel Ángel Lozano , Novi Quadrianto , Nuria Oliver

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

The widespread adoption of Artificial Intelligence (AI) has been driven by significant advances in intelligent system research. However, this progress has raised concerns about data privacy, leading to a growing awareness of the need for…

Machine Learning · Computer Science 2025-05-06 Md. Tanzib Hosain , Asif Zaman , Md. Shahriar Sajid , Shadman Sakeeb Khan , Shanjida Akter

Federated learning (FL) enables collaborative model training while preserving user data privacy by keeping data local. Despite these advantages, FL remains vulnerable to privacy attacks on user updates and model parameters during training…

Cryptography and Security · Computer Science 2025-05-12 Yiwei Zhang , Rouzbeh Behnia , Attila A. Yavuz , Reza Ebrahimi , Elisa Bertino

With the increased attention and legislation for data-privacy, collaborative machine learning (ML) algorithms are being developed to ensure the protection of private data used for processing. Federated learning (FL) is the most popular of…

Cryptography and Security · Computer Science 2020-04-10 David Enthoven , Zaid Al-Ars

The collection and curation of large-scale medical datasets from multiple institutions is essential for training accurate deep learning models, but privacy concerns often hinder data sharing. Federated learning (FL) is a promising solution…

Computer Vision and Pattern Recognition · Computer Science 2023-01-12 Rui Yan , Liangqiong Qu , Qingyue Wei , Shih-Cheng Huang , Liyue Shen , Daniel Rubin , Lei Xing , Yuyin Zhou

Secure aggregation is widely used in horizontal Federated Learning (FL), to prevent leakage of training data when model updates from data owners are aggregated. Secure aggregation protocols based on Homomorphic Encryption (HE) have been…

Cryptography and Security · Computer Science 2022-08-16 Zizhen Liu , Si Chen , Jing Ye , Junfeng Fan , Huawei Li , Xiaowei Li

Decentralized deep learning plays a key role in collaborative model training due to its attractive properties, including tolerating high network latency and less prone to single-point failures. Unfortunately, such a training mode is more…

Cryptography and Security · Computer Science 2022-07-12 Guowen Xu , Guanlin Li , Shangwei Guo , Tianwei Zhang , Hongwei Li

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

Class imbalance in training datasets can lead to bias and poor generalization in machine learning models. While pre-processing of training datasets can efficiently address both these issues in centralized learning environments, it is…

Cryptography and Security · Computer Science 2024-10-29 Arpit Guleria , J. Harshan , Ranjitha Prasad , B. N. Bharath

Federated learning (FL) as distributed machine learning has gained popularity as privacy-aware Machine Learning (ML) systems have emerged as a technique that prevents privacy leakage by building a global model and by conducting…

Cryptography and Security · Computer Science 2023-07-17 Taki Hasan Rafi , Faiza Anan Noor , Tahmid Hussain , Dong-Kyu Chae