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Federated learning (FL) enables collaborative model training across decentralized clients without sharing local data, thereby enhancing privacy and facilitating collaboration among clients connected via social networks. However, these…

Machine Learning · Computer Science 2025-08-12 Chenchen Lin , Xuehe Wang

Federated Learning enables a population of clients, working with a trusted server, to collaboratively learn a shared machine learning model while keeping each client's data within its own local systems. This reduces the risk of exposing…

Cryptography and Security · Computer Science 2020-10-13 David Byrd , Antigoni Polychroniadou

Federated Learning (FL) has increasingly been recognized as an innovative and secure distributed model training paradigm, aiming to coordinate multiple edge clients to collaboratively train a shared model without uploading their private…

Computer Science and Game Theory · Computer Science 2024-04-15 Wenhao Yuan , Xuehe Wang

Federated learning (FL) is a distributed machine learning paradigm enabling multiple clients to train a model collaboratively without exposing their local data. Among FL schemes, clustering is an effective technique addressing the…

Cryptography and Security · Computer Science 2025-04-01 Yunan Wei , Shengnan Zhao , Chuan Zhao , Zhe Liu , Zhenxiang Chen , Minghao Zhao

Decentralized learning is an efficient emerging paradigm for boosting the computing capability of multiple bounded computing agents. In the big data era, performing inference within the distributed and federated learning (DL and FL)…

Multiagent Systems · Computer Science 2022-05-11 Mohamed Ridha Znaidi , Gaurav Gupta , Paul Bogdan

Personalized federated learning (PFL), e.g., the renowned Ditto, strikes a balance between personalization and generalization by conducting federated learning (FL) to guide personalized learning (PL). While FL is unaffected by personalized…

Machine Learning · Computer Science 2025-06-23 Xiyu Zhao , Qimei Cui , Weicai Li , Wei Ni , Ekram Hossain , Quan Z. Sheng , Xiaofeng Tao , Ping Zhang

Federated Learning (FL) has emerged as a critical paradigm for enabling privacy-preserving machine learning, particularly in regulated sectors such as finance and healthcare. However, standard FL strategies often encounter significant…

Cryptography and Security · Computer Science 2025-06-02 Abhijit Talluri

Federated Learning (FL) is the standard protocol for collaborative learning. In FL, multiple workers jointly train a shared model. They exchange model updates calculated on their data, while keeping the raw data itself local. Since workers…

Machine Learning · Computer Science 2025-03-07 Shahrzad Kiani , Franziska Boenisch , Stark C. Draper

In the age of data-driven decision making, preserving privacy while providing personalized experiences has become paramount. Personalized Federated Learning (PFL) offers a promising framework by decentralizing the learning process, thus…

Machine Learning · Computer Science 2025-01-31 Kevin Cooper , Michael Geller

Federated Learning enables collaborative model training across decentralized data sources without data transfer. Averaging-based FL is limited by the presence of non-IID data, which negatively impacts convergence speed and final model…

Machine Learning · Computer Science 2026-05-22 Adda Akram Bendoukha , Heber Hwang Arcolezi , Nesrine Kaaniche , Aymen Boudguiga

To prevent implicit privacy disclosure in sharing gradients among data owners (DOs) under federated learning (FL), differential privacy (DP) and its variants have become a common practice to offer formal privacy guarantees with low…

Computer Science and Game Theory · Computer Science 2023-02-16 Yuntao Wang , Zhou Su , Yanghe Pan , Abderrahim Benslimane , Yiliang Liu , Tom H. Luan , Ruidong Li

Federated Learning (FL) enables collaborative training of models across distributed clients without sharing local data, addressing privacy concerns in decentralized systems. However, the gradient-sharing process exposes private data to…

Machine Learning · Computer Science 2025-03-11 Mingcong Xu , Xiaojin Zhang , Wei Chen , Hai Jin

Federated Learning (FL) enables collaborative model building among a large number of participants without the need for explicit data sharing. But this approach shows vulnerabilities when privacy inference attacks are applied to it. In…

Machine Learning · Computer Science 2022-10-26 Pretom Roy Ovi , Emon Dey , Nirmalya Roy , Aryya Gangopadhyay

Federated learning (FL) allows clients to collaboratively train a global model without sharing their local data with a server. However, clients' contributions to the server can still leak sensitive information. Differential privacy (DP)…

Machine Learning · Computer Science 2025-02-18 Jie Xu , Karthikeyan Saravanan , Rogier van Dalen , Haaris Mehmood , David Tuckey , Mete Ozay

Federated learning (FL) is a training paradigm where the clients collaboratively learn models by repeatedly sharing information without compromising much on the privacy of their local sensitive data. In this paper, we introduce federated…

Machine Learning · Statistics 2021-02-24 Qinqing Zheng , Shuxiao Chen , Qi Long , Weijie J. Su

Federated learning, in which training data is distributed among users and never shared, has emerged as a popular approach to privacy-preserving machine learning. Cryptographic techniques such as secure aggregation are used to aggregate…

Machine Learning · Computer Science 2022-03-08 Rasmus Pagh , Nina Mesing Stausholm

Differential privacy (DP) is a widely used approach for mitigating privacy risks when training machine learning models on sensitive data. DP mechanisms add noise during training to limit the risk of information leakage. The scale of the…

Machine Learning · Computer Science 2024-11-11 Bogdan Kulynych , Juan Felipe Gomez , Georgios Kaissis , Flavio du Pin Calmon , Carmela Troncoso

User-level differential privacy (DP) provides certifiable privacy guarantees to the information that is specific to any user's data in federated learning. Existing methods that ensure user-level DP come at the cost of severe accuracy…

Machine Learning · Computer Science 2022-03-22 Anda Cheng , Peisong Wang , Xi Sheryl Zhang , Jian Cheng

Federated learning facilitates the collaborative training of models without the sharing of raw data. However, recent attacks demonstrate that simply maintaining data locality during training processes does not provide sufficient privacy…

Machine Learning · Computer Science 2019-08-16 Stacey Truex , Nathalie Baracaldo , Ali Anwar , Thomas Steinke , Heiko Ludwig , Rui Zhang , Yi Zhou

Federated Learning (FL) is a distributed machine learning approach that safeguards privacy by creating an impartial global model while respecting the privacy of individual client data. However, the conventional FL method can introduce…

Machine Learning · Computer Science 2025-10-09 Muhammad Irfan Khan , Esa Alhoniemi , Elina Kontio , Suleiman A. Khan , Mojtaba Jafaritadi