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Active learning (AL) is a widely used technique for optimizing data labeling in machine learning by iteratively selecting, labeling, and training on the most informative data. However, its integration with formal privacy-preserving methods,…

Machine Learning · Computer Science 2025-02-03 Kristian Schwethelm , Johannes Kaiser , Jonas Kuntzer , Mehmet Yigitsoy , Daniel Rueckert , Georgios Kaissis

With the emergence of data silos and popular privacy awareness, the traditional centralized approach of training artificial intelligence (AI) models is facing strong challenges. Federated learning (FL) has recently emerged as a promising…

Cryptography and Security · Computer Science 2020-03-05 Lingjuan Lyu , Han Yu , Qiang Yang

Federated learning (FL) has gained widespread attention for its privacy-preserving and collaborative learning capabilities. Due to significant statistical heterogeneity, traditional FL struggles to generalize a shared model across diverse…

Machine Learning · Computer Science 2025-02-04 Yu Feng , Yangli-ao Geng , Yifan Zhu , Zongfu Han , Xie Yu , Kaiwen Xue , Haoran Luo , Mengyang Sun , Guangwei Zhang , Meina Song

With an increasing number of smart devices like internet of things (IoT) devices deployed in the field, offloadingtraining of neural networks (NNs) to a central server becomes more and more infeasible. Recent efforts toimprove users'…

Machine Learning · Computer Science 2023-07-19 Kilian Pfeiffer , Martin Rapp , Ramin Khalili , Jörg Henkel

Federated learning (FL) is a promising technique for addressing the rising privacy and security issues. Its main ingredient is to cooperatively learn the model among the distributed clients without uploading any sensitive data. In this…

Artificial Intelligence · Computer Science 2023-03-07 Huiming Chen , Huandong Wang , Qingyue Long , Depeng Jin , Yong Li

Federated learning (FL), an attractive and promising distributed machine learning paradigm, has sparked extensive interest in exploiting tremendous data stored on ubiquitous mobile devices. However, conventional FL suffers severely from…

Cryptography and Security · Computer Science 2022-06-09 Qian Chen , Zilong Wang , Jiawei Chen , Haonan Yan , Xiaodong Lin

Federated Learning (FL) is a machine learning paradigm in which many clients cooperatively train a single centralized model while keeping their data private and decentralized. FL is commonly used in edge computing, which involves placing…

The challenge of detecting violent incidents in urban surveillance systems is compounded by the voluminous and diverse nature of video data. This paper presents a targeted approach using Personalized Federated Learning (PFL) to address…

Computer Vision and Pattern Recognition · Computer Science 2025-06-19 Mohammad Kassir , Siba Haidar , Antoun Yaacoub

The growing development of artificial intelligence based solutions, together with privacy legislation, has driven the rise of the so-called privacy preserving machine learning architectures, such as federated learning. While federated…

Cryptography and Security · Computer Science 2026-05-05 Judith Sáinz-Pardo Díaz , Álvaro López García

Federated Learning (FL) has emerged as a transformative approach for enabling distributed machine learning while preserving user privacy, yet it faces challenges like communication inefficiencies and reliance on centralized infrastructures,…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-29 Sai Puppala , Ismail Hossain , Md Jahangir Alam , Sajedul Talukder , Zahidur Talukder , Syed Bahauddin

Knowledge sharing and model personalization are two key components in the conceptual framework of personalized federated learning (PFL). Existing PFL methods focus on proposing new model personalization mechanisms while simply implementing…

Machine Learning · Computer Science 2022-05-03 Fengwen Chen , Guodong Long , Zonghan Wu , Tianyi Zhou , Jing Jiang

Federated learning (FL) that enables edge devices to collaboratively learn a shared model while keeping their training data locally has received great attention recently and can protect privacy in comparison with the traditional centralized…

Machine Learning · Computer Science 2022-11-17 Rui Hu , Yanmin Gong , Yuanxiong Guo

Motivated by the explosive computing capabilities at end user equipments, as well as the growing privacy concerns over sharing sensitive raw data, a new machine learning paradigm, named federated learning (FL) has emerged. By training…

Networking and Internet Architecture · Computer Science 2021-06-07 Chuan Ma , Jun Li , Ming Ding , Long Shi , Taotao Wang , Zhu Han , H. Vincent Poor

Federated learning (FL) emerged as a paradigm designed to improve data privacy by enabling data to reside at its source, thus embedding privacy as a core consideration in FL architectures, whether centralized or decentralized. Contrasting…

Machine Learning · Computer Science 2024-12-03 Wenrui Yu , Qiongxiu Li , Milan Lopuhaä-Zwakenberg , Mads Græsbøll Christensen , Richard Heusdens

Federated learning (FL), introduced in 2017, facilitates collaborative learning between non-trusting parties with no need for the parties to explicitly share their data among themselves. This allows training models on user data while…

Machine Learning · Computer Science 2025-04-09 Hyejun Jeong , Shiqing Ma , Amir Houmansadr

Federated learning (FL) aims to collaboratively train the global model in a distributed manner by sharing the model parameters from local clients to a central server, thereby potentially protecting users' private information. Nevertheless,…

Machine Learning · Computer Science 2023-02-17 Zhe Li , Honglong Chen , Zhichen Ni , Huajie Shao

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

As an emerging technique, Federated Learning (FL) can jointly train a global model with the data remaining locally, which effectively solves the problem of data privacy protection through the encryption mechanism. The clients train their…

Machine Learning · Computer Science 2020-12-04 Yi Liu , Li Zhang , Ning Ge , Guanghao Li

Federated learning (FL) and split learning (SL) are two popular distributed machine learning approaches. Both follow a model-to-data scenario; clients train and test machine learning models without sharing raw data. SL provides better model…

Machine Learning · Computer Science 2022-02-18 Chandra Thapa , M. A. P. Chamikara , Seyit Camtepe , Lichao Sun

Model personalization allows a set of individuals, each facing a different learning task, to train models that are more accurate for each person than those they could develop individually. The goals of personalization are captured in a…

Machine Learning · Computer Science 2024-12-18 Maryam Aliakbarpour , Konstantina Bairaktari , Adam Smith , Marika Swanberg , Jonathan Ullman