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Federated Learning (FL) enables collaborative model training without centralizing data. However, real-world deployments must simultaneously address statistical heterogeneity across client data (non-IID), system heterogeneity in device…

Machine Learning · Computer Science 2026-05-21 Chaimaa Medjadji , Sylvain Kubler , Yves Le Traon , Guilain Leduc , Sadi Alawadi , Feras M. Awaysheh

Federated Learning (FL) is a machine learning setting where many devices collaboratively train a machine learning model while keeping the training data decentralized. In most of the current training schemes the central model is refined by…

Machine Learning · Computer Science 2021-03-30 Tao Lin , Lingjing Kong , Sebastian U. Stich , Martin Jaggi

Recently, data heterogeneity among the training datasets on the local clients (a.k.a., Non-IID data) has attracted intense interest in Federated Learning (FL), and many personalized federated learning methods have been proposed to handle…

Machine Learning · Computer Science 2022-11-22 Xueyang Tang , Song Guo , Jie Zhang

Federated Learning (FL) is a machine learning paradigm where many local nodes collaboratively train a central model while keeping the training data decentralized. This is particularly relevant for clinical applications since patient data…

Federated learning enables the creation of a powerful centralized model without compromising data privacy of multiple participants. While successful, it does not incorporate the case where each participant independently designs its own…

Machine Learning · Computer Science 2019-10-10 Daliang Li , Junpu Wang

In federated learning, federated unlearning is a technique that provides clients with a rollback mechanism that allows them to withdraw their data contribution without training from scratch. However, existing research has not considered…

Machine Learning · Computer Science 2024-12-23 Xinrui Yu , Wenbin Pei , Bing Xue , Qiang Zhang

Deep neural networks are behind many of the recent successes in machine learning applications. However, these models can produce overconfident decisions while encountering out-of-distribution (OOD) examples or making a wrong prediction.…

Machine Learning · Computer Science 2021-06-24 Navid Kardan , Ankit Sharma , Kenneth O. Stanley

Federated learning (FL) offers a privacy-preserving framework for distributed machine learning, enabling collaborative model training across diverse clients without centralizing sensitive data. However, statistical heterogeneity,…

Machine Learning · Statistics 2025-04-08 Hengrui Hu , Anai N. Kothari , Anjishnu Banerjee

Federated learning provides a privacy-preserving manner to collaboratively train models on data distributed over multiple local clients via the coordination of a global server. In this paper, we focus on label distribution skew in federated…

Machine Learning · Computer Science 2024-09-23 Jianghu Lu , Shikun Li , Kexin Bao , Pengju Wang , Zhenxing Qian , Shiming Ge

In federated learning, all networked clients contribute to the model training cooperatively. However, with model sizes increasing, even sharing the trained partial models often leads to severe communication bottlenecks in underlying…

Machine Learning · Computer Science 2023-05-22 Rui Song , Dai Liu , Dave Zhenyu Chen , Andreas Festag , Carsten Trinitis , Martin Schulz , Alois Knoll

Federated learning (FL) is a new paradigm for distributed machine learning that allows a global model to be trained across multiple clients without compromising their privacy. Although FL has demonstrated remarkable success in various…

Machine Learning · Computer Science 2023-06-06 Haolin Wang , Xuefeng Liu , Jianwei Niu , Shaojie Tang , Jiaxing Shen

Federated Learning (FL) is designed to protect the data privacy of each client during the training process by transmitting only models instead of the original data. However, the trained model may memorize certain information about the…

Machine Learning · Computer Science 2022-01-25 Chen Wu , Sencun Zhu , Prasenjit Mitra

Federated Learning, a new machine learning paradigm enhancing the use of edge devices, is receiving a lot of attention in the pervasive community to support the development of smart services. Nevertheless, this approach still needs to be…

Artificial Intelligence · Computer Science 2021-09-10 Anastasiia Usmanova , François Portet , Philippe Lalanda , German Vega

We present a novel approach for training deep neural networks in a Bayesian way. Classical, i.e. non-Bayesian, deep learning has two major drawbacks both originating from the fact that network parameters are considered to be deterministic.…

Machine Learning · Statistics 2019-03-11 Konstantin Posch , Jan Steinbrener , Jürgen Pilz

Deep retrieval models are widely used for learning entity representations and recommendations. Federated learning provides a privacy-preserving way to train these models without requiring centralization of user data. However, federated deep…

Machine Learning · Computer Science 2021-11-03 Lin Ning , Karan Singhal , Ellie X. Zhou , Sushant Prakash

Federated learning is a distributed machine learning approach in which clients train models locally with their own data and upload them to a server so that their trained results are shared between them without uploading raw data to the…

Machine Learning · Computer Science 2023-09-07 Yuto Hoshino , Hiroki Kawakami , Hiroki Matsutani

Accurate modelling and quantification of predictive uncertainty is crucial in deep learning since it allows a model to make safer decisions when the data is ambiguous and facilitates the users' understanding of the model's confidence in its…

Machine Learning · Statistics 2025-08-26 Soumyasundar Pal , Liheng Ma , Amine Natik , Yingxue Zhang , Mark Coates

We propose a novel federated learning method for distributively training neural network models, where the server orchestrates cooperation between a subset of randomly chosen devices in each round. We view Federated Learning problem…

Federated learning is a privacy-focused approach towards machine learning where models are trained on client devices with locally available data and aggregated at a central server. However, the dependence on a single central server is…

Machine Learning · Computer Science 2026-01-06 Shamik Bhattacharyya , Rachel Kalpana Kalaimani

Federated learning has attracted increasing attention to building models without accessing the raw user data, especially in healthcare. In real applications, different federations can seldom work together due to possible reasons such as…

Machine Learning · Computer Science 2023-07-11 Yiqiang Chen , Wang Lu , Xin Qin , Jindong Wang , Xing Xie