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In federated learning, client selection is a critical problem that significantly impacts both model performance and fairness. Prior studies typically treat these two objectives separately, or balance them using simple weighting schemes.…

机器学习 · 计算机科学 2025-03-25 Qingming Li , Juzheng Miao , Puning Zhao , Li Zhou , H. Vicky Zhao , Shouling Ji , Bowen Zhou , Furui Liu

The uneven distribution of local data across different edge devices (clients) results in slow model training and accuracy reduction in federated learning. Naive federated learning (FL) strategy and most alternative solutions attempted to…

Federated Learning (FL) on graph-structured data typically faces non-IID challenges, particularly in scenarios where each client holds a distinct subgraph sampled from a global graph. In this paper, we introduce Federated learning with…

机器学习 · 计算机科学 2025-10-01 Wei Zhuo , Zhaohuan Zhan , Han Yu

Federated Learning (FL) holds great potential for diverse applications owing to its privacy-preserving nature. However, its convergence is often challenged by non-IID data distributions, limiting its effectiveness in real-world deployments.…

机器学习 · 计算机科学 2025-04-22 Kun Zhai , Yifeng Gao , Difan Zou , Guangnan Ye , Siheng Chen , Xingjun Ma , Yu-Gang Jiang

Federated learning (FL) is a promising framework for learning from distributed data while maintaining privacy. The development of efficient FL algorithms encounters various challenges, including heterogeneous data and systems, limited…

机器学习 · 计算机科学 2024-08-01 Yongcun Song , Ziqi Wang , Enrique Zuazua

Over the past few years, Federated Learning (FL) has become a popular distributed machine learning paradigm. FL involves a group of clients with decentralized data who collaborate to learn a common model under the coordination of a…

分布式、并行与集群计算 · 计算机科学 2024-05-21 Jieming Bian , Lei Wang , Kun Yang , Cong Shen , Jie Xu

Federated Learning (FL) emerged as a decentralized paradigm to train models while preserving privacy. However, conventional FL struggles with data heterogeneity and class imbalance, which degrade model performance. Clustered FL balances…

机器学习 · 计算机科学 2025-05-05 Alessandro Licciardi , Davide Leo , Eros Fanì , Barbara Caputo , Marco Ciccone

Despite achieving remarkable performance, Federated Learning (FL) suffers from two critical challenges, i.e., limited computational resources and low training efficiency. In this paper, we propose a novel FL framework, i.e., FedDUAP, with…

分布式、并行与集群计算 · 计算机科学 2022-04-26 Hong Zhang , Ji Liu , Juncheng Jia , Yang Zhou , Huaiyu Dai , Dejing Dou

Personalized Federated Learning (PFL) aims to learn personalized models for each client based on the knowledge across all clients in a privacy-preserving manner. Existing PFL methods generally assume that the underlying global data across…

机器学习 · 计算机科学 2023-03-28 Yang Lu , Pinxin Qian , Gang Huang , Hanzi Wang

Federated learning (FL) has been a promising approach in the field of medical imaging in recent years. A critical problem in FL, specifically in medical scenarios is to have a more accurate shared model which is robust to noisy and out-of…

机器学习 · 计算机科学 2020-08-19 Yousef Yeganeh , Azade Farshad , Nassir Navab , Shadi Albarqouni

Recent attacks have shown that user data can be recovered from FedSGD updates, thus breaking privacy. However, these attacks are of limited practical relevance as federated learning typically uses the FedAvg algorithm. Compared to FedSGD,…

机器学习 · 计算机科学 2022-11-02 Dimitar I. Dimitrov , Mislav Balunović , Nikola Konstantinov , Martin Vechev

Federated learning (FL) is an emerging learning paradigm to tackle massively distributed data. In Federated Learning, a set of clients jointly perform a machine learning task under the coordination of a server. The FedAvg algorithm is one…

机器学习 · 计算机科学 2023-02-14 Junyi Li , Feihu Huang , Heng Huang

With the wealth of information produced by social networks, smartphones, medical or financial applications, speculations have been raised about the sensitivity of such data in terms of users' personal privacy and data security. To address…

机器学习 · 计算机科学 2019-08-21 Vito Walter Anelli , Yashar Deldjoo , Tommaso Di Noia , Antonio Ferrara

Federated Learning (FL) marks a transformative approach to distributed model training by combining locally optimized models from various clients into a unified global model. While FL preserves data privacy by eliminating centralized…

机器学习 · 计算机科学 2026-01-08 Pranab Sahoo , Ashutosh Tripathi , Sriparna Saha , Samrat Mondal

Data-heterogeneous federated learning (FL) systems suffer from two significant sources of convergence error: 1) client drift error caused by performing multiple local optimization steps at clients, and 2) partial client participation error…

机器学习 · 计算机科学 2022-07-29 Divyansh Jhunjhunwala , Pranay Sharma , Aushim Nagarkatti , Gauri Joshi

Federated Averaging (FedAVG) has become the most popular federated learning algorithm due to its simplicity and low communication overhead. We use simple examples to show that FedAVG has the tendency to sew together the optima across the…

机器学习 · 计算机科学 2021-04-22 Irene Tenison , Sreya Francis , Irina Rish

The performance of Federated learning (FL) is negatively affected by device differences and statistical characteristics between participating clients. To address this issue, we introduce a deep unfolding network (DUN)-based technique that…

机器学习 · 计算机科学 2023-07-03 Shanika I Nanayakkara , Shiva Raj Pokhrel , Gang Li

Federated learning (FL) is a powerful Machine Learning (ML) paradigm that enables distributed clients to collaboratively learn a shared global model while keeping the data on the original device, thereby preserving privacy. A central…

机器学习 · 计算机科学 2024-04-25 Yi Hu , Hanchi Ren , Chen Hu , Jingjing Deng , Xianghua Xie

In traffic prediction, the goal is to estimate traffic speed or flow in specific regions or road segments using historical data collected by devices deployed in each area. Each region or road segment can be viewed as an individual client…

机器学习 · 计算机科学 2025-07-15 Audri Banik , Glaucio Haroldo Silva de Carvalho , Renata Dividino

We study practical data characteristics underlying federated learning, where non-i.i.d. data from clients have sparse features, and a certain client's local data normally involves only a small part of the full model, called a submodel. Due…

机器学习 · 计算机科学 2023-04-06 Yucheng Ding , Chaoyue Niu , Fan Wu , Shaojie Tang , Chengfei Lv , Yanghe Feng , Guihai Chen