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Federated Learning (FL) enables collaborative training while preserving privacy, yet it introduces a critical challenge: the "illusion of fairness''. A global model, usually evaluated on the server, appears fair on average while keeping…

Machine Learning · Computer Science 2026-05-12 Xenia Heilmann , Luca Corbucci , Mattia Cerrato , Anna Monreale

This paper focuses on Bayesian inference in a federated learning context (FL). While several distributed MCMC algorithms have been proposed, few consider the specific limitations of FL such as communication bottlenecks and statistical…

Machine Learning · Statistics 2022-11-02 Vincent Plassier , Alain Durmus , Eric Moulines

Despite some promising results in federated learning using game-theoretical methods, most existing studies mainly employ a one-level game in either a cooperative or competitive environment, failing to capture the complex dynamics among…

Computer Science and Game Theory · Computer Science 2024-12-23 Xiaobing Chen , Xiangwei Zhou , Songyang Zhang , Mingxuan Sun

Federated Learning (FL) aims at unburdening the training of deep models by distributing computation across multiple devices (clients) while safeguarding data privacy. On top of that, Federated Continual Learning (FCL) also accounts for data…

Machine Learning · Computer Science 2025-05-27 Riccardo Salami , Pietro Buzzega , Matteo Mosconi , Mattia Verasani , Simone Calderara

Federated Learning (FL) has seen increasing interest in cases where entities want to collaboratively train models while maintaining privacy and governance over their data. In FL, clients with private and potentially heterogeneous data and…

Machine Learning · Computer Science 2023-11-17 Vasilis Siomos , Jonathan Passerat-Palmbach

Federated Learning (FL) allows collaboration between different parties, while ensuring that the data across these parties is not shared. However, not every collaboration is helpful in terms of the resulting model performance. Therefore, it…

Machine Learning · Computer Science 2025-02-21 Afsana Khan , Marijn ten Thij , Guangzhi Tang , Anna Wilbik

Federated learning (FL) aims at optimizing a shared global model over multiple edge devices without transmitting (private) data to the central server. While it is theoretically well-known that FL yields an optimal model -- centrally trained…

Machine Learning · Computer Science 2022-11-01 Youngjoon Lee , Sangwoo Park , Joonhyuk Kang

At the intersection of the cutting-edge technologies and privacy concerns, Federated Learning (FL) with its distributed architecture, stands at the forefront in a bid to facilitate collaborative model training across multiple clients while…

Machine Learning · Computer Science 2025-09-03 Noorain Mukhtiar , Adnan Mahmood , Quan Z. Sheng

We present Federated Learning Playground, an interactive browser-based platform inspired by and extends TensorFlow Playground that teaches core Federated Learning (FL) concepts. Users can experiment with heterogeneous client data…

Machine Learning · Computer Science 2026-03-23 Bryan Shan , Alysa Ziying Tan , Han Yu

Federated learning (FL) as a distributed learning paradigm has a significant advantage in addressing large-scale machine learning tasks. In the Euclidean setting, FL algorithms have been extensively studied with both theoretical and…

Machine Learning · Computer Science 2025-10-21 Zhenwei Huang , Wen Huang , Pratik Jawanpuria , Bamdev Mishra

Federated Learning (FL) facilitates collaborative machine learning by training models on local datasets, and subsequently aggregating these local models at a central server. However, the frequent exchange of model parameters between clients…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-15 Liwei Wang , Jun Li , Wen Chen , Qingqing Wu , Ming Ding

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

Federated Learning (FL) algorithms implicitly assume that clients passively comply with server-side orchestration by sharing local model updates upon server request. However, this overlooks an important aspect in real-world cross-silo…

Machine Learning · Computer Science 2026-05-19 M Yashwanth , Arunabh Singh , Ashok Nayak , Sai Kiran Bulusu , Anirban Chakraborty

To protect users' right to be forgotten in federated learning, federated unlearning aims at eliminating the impact of leaving users' data on the global learned model. The current research in federated unlearning mainly concentrated on…

Computer Science and Game Theory · Computer Science 2023-12-05 Ningning Ding , Zhenyu Sun , Ermin Wei , Randall Berry

Federated learning (FL) on heterogeneous data (non-IID data) has recently received great attention. Most existing methods focus on studying the convergence guarantees for the global objective. While these methods can guarantee the decrease…

Machine Learning · Computer Science 2023-11-22 Shu Zheng , Tiandi Ye , Xiang Li , Ming Gao

Federated learning (FL) enables leveraging distributed private data for model training in a privacy-preserving way. However, data heterogeneity significantly limits the performance of current FL methods. In this paper, we propose a novel FL…

Machine Learning · Computer Science 2023-12-12 Rui Ye , Xinyu Zhu , Jingyi Chai , Siheng Chen , Yanfeng Wang

Federated learning (FL) is a decentralized machine learning approach where independent learners process data privately. Its goal is to create a robust and accurate model by aggregating and retraining local models over multiple rounds.…

Machine Learning · Computer Science 2023-10-13 Ensiye Kiyamousavi , Boris Kraychev , Ivan Koychev

Federated learning (FL) is an emerging paradigm of collaborative machine learning that preserves user privacy while building powerful models. Nevertheless, due to the nature of open participation by self-interested entities, it needs to…

Cryptography and Security · Computer Science 2022-02-18 Yanci Zhang , Han Yu

Federated learning (FL) has emerged as a promising approach to training machine learning models across decentralized data sources while preserving data privacy, particularly in manufacturing and shared production environments. However, the…

Machine Learning · Computer Science 2024-08-20 Tatjana Legler , Vinit Hegiste , Ahmed Anwar , Martin Ruskowski

In the field of heterogeneous federated learning (FL), the key challenge is to efficiently and collaboratively train models across multiple clients with different data distributions, model structures, task objectives, computational…

Machine Learning · Computer Science 2025-03-11 Chuan Chen , Tianchi Liao , Xiaojun Deng , Zihou Wu , Sheng Huang , Zibin Zheng