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Addressing intermittent client availability is critical for the real-world deployment of federated learning algorithms. Most prior work either overlooks the potential non-stationarity in the dynamics of client unavailability or requires…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-01 Ming Xiang , Stratis Ioannidis , Edmund Yeh , Carlee Joe-Wong , Lili Su

Federated learning (FL) has enabled training machine learning models exploiting the data of multiple agents without compromising privacy. However, FL is known to be vulnerable to data heterogeneity, partial device participation, and…

Machine Learning · Computer Science 2023-06-13 Marina Costantini , Giovanni Neglia , Thrasyvoulos Spyropoulos

With growing concerns about user data collection, individualized privacy has emerged as a promising solution to balance protection and utility by accounting for diverse user privacy preferences. Instead of enforcing a uniform level of…

Machine Learning · Computer Science 2026-02-04 Lucas Lange , Ole Borchardt , Erhard Rahm

Federated Learning (FL) enables collaborative model training without sharing raw data but suffers from limited scalability, high communication costs, and privacy risks due to its centralized architecture. This paper proposes FedSelect-ME, a…

Cryptography and Security · Computer Science 2025-11-05 Hanie Vatani , Reza Ebrahimi Atani

Federated Learning (FL) enables collaborative training across decentralized clients, but most methods assume aligned feature schemas, an assumption that rarely holds in tabular settings where clients observe only partially overlapping…

Machine Learning · Computer Science 2026-05-18 Imane Hocine , Chaimaa Medjadji , Sylvain Kubler , Gregoire Danoy , Yves Le Traon

In distributed learning settings such as federated learning, the training algorithm can be potentially biased towards different clients. Mohri et al. (2019) proposed a domain-agnostic learning algorithm, where the model is optimized for any…

Machine Learning · Computer Science 2021-06-17 Jae Ro , Mingqing Chen , Rajiv Mathews , Mehryar Mohri , Ananda Theertha Suresh

In the context of the growing proliferation of user devices and the concurrent surge in data volumes, the complexities arising from the substantial increase in data have posed formidable challenges to conventional machine learning model…

Machine Learning · Computer Science 2025-11-24 Eyad Gad , Zubair Md Fadlullah , Mostafa M. Fouda

In mobile and IoT systems, Federated Learning (FL) is increasingly important for effectively using data while maintaining user privacy. One key challenge in FL is managing statistical heterogeneity, such as non-i.i.d. data, arising from…

Machine Learning · Computer Science 2024-05-17 Kunda Yan , Sen Cui , Abudukelimu Wuerkaixi , Jingfeng Zhang , Bo Han , Gang Niu , Masashi Sugiyama , Changshui Zhang

Federated learning (FL) enables collaborative model training without centralizing data. However, the traditional FL framework is cloud-based and suffers from high communication latency. On the other hand, the edge-based FL framework that…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-28 Zhenxiao Zhang , Zhidong Gao , Yuanxiong Guo , Yanmin Gong

Federated Learning (FL) has emerged as a promising approach for privacy-preserving model training across decentralized devices. However, it faces challenges such as statistical heterogeneity and susceptibility to adversarial attacks, which…

Machine Learning · Computer Science 2024-12-13 Jialuo He , Wei Chen , Xiaojin Zhang

Federated learning is an emerging distributed machine learning method, enables a large number of clients to train a model without exchanging their local data. The time cost of communication is an essential bottleneck in federated learning,…

Machine Learning · Computer Science 2023-09-19 Hao Sun , Li Shen , Shixiang Chen , Jingwei Sun , Jing Li , Guangzhong Sun , Dacheng Tao

Federated learning (FL) is a distributed deep learning method which enables multiple participants, such as mobile phones and IoT devices, to contribute a neural network model while their private training data remains in local devices. This…

Machine Learning · Computer Science 2021-07-27 Moming Duan , Duo Liu , Xianzhang Chen , Yujuan Tan , Jinting Ren , Lei Qiao , Liang Liang

Federated learning (FL) allows multiple clients to collectively train a high-performance global model without sharing their private data. However, the key challenge in federated learning is that the clients have significant statistical…

Machine Learning · Computer Science 2022-03-23 Liang Gao , Huazhu Fu , Li Li , Yingwen Chen , Ming Xu , Cheng-Zhong Xu

To improve business efficiency and minimize costs, Artificial Intelligence (AI) practitioners have adopted a shift from formulating models from scratch towards sharing pretrained models. The pretrained models are then aggregated into a…

Neural and Evolutionary Computing · Computer Science 2025-05-12 Anthony Kiggundu , Dennis Krummacker , Hans D. Schotten

Multimodal Federated Learning (MFL) enables clients with heterogeneous data modalities to collaboratively train models without sharing raw data, offering a privacy-preserving framework that leverages complementary cross-modal information.…

Machine Learning · Computer Science 2026-03-06 Min Tan , Junchao Ma , Yinfu Feng , Jiajun Ding , Wenwen Pan , Tingting Han , Qian Zheng , Zhenzhong Kuang , Zhou Yu

In federated learning (FL), clients usually have diverse participation statistics that are unknown a priori, which can significantly harm the performance of FL if not handled properly. Existing works aiming at addressing this problem are…

Machine Learning · Computer Science 2024-04-16 Shiqiang Wang , Mingyue Ji

Federated Learning is a collaborative machine learning framework to train a deep learning model without accessing clients' private data. Previous works assume one central parameter server either at the cloud or at the edge. The cloud server…

Networking and Internet Architecture · Computer Science 2019-11-01 Lumin Liu , Jun Zhang , S. H. Song , Khaled B. Letaief

Federated learning enables the deployment of machine learning to problems for which centralized data collection is impractical. Adding differential privacy guarantees bounds on privacy while data are contributed to a global model. Adding…

Machine Learning · Computer Science 2022-02-22 Andrew Silva , Katherine Metcalf , Nicholas Apostoloff , Barry-John Theobald

Federated learning (FL) is identified as a crucial enabler for large-scale distributed machine learning (ML) without the need for local raw dataset sharing, substantially reducing privacy concerns and alleviating the isolated data problem.…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-04-07 Yuhao Zhou , Minjia Shi , Yuxin Tian , Qing Ye , Jiancheng Lv

Federated Learning (FL) is a decentralized machine learning (ML) technique that allows a number of participants to train an ML model collaboratively without having to share their private local datasets with others. When participants are…

Machine Learning · Computer Science 2023-12-19 Youssra Cheriguene , Wael Jaafar , Halim Yanikomeroglu , Chaker Abdelaziz Kerrache