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Federated learning (FL) has been proposed as a privacy-preserving approach in distributed machine learning. A federated learning architecture consists of a central server and a number of clients that have access to private, potentially…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-06 Gergely Dániel Németh , Miguel Ángel Lozano , Novi Quadrianto , Nuria Oliver

Federated Learning (FL) enables collaborative, privacy-preserving model training, but supporting the "Right to be Forgotten" is especially challenging because data influences the model through distributed and interleaved client updates.…

Cryptography and Security · Computer Science 2026-03-03 Bokang Zhang , Hong Guan , Hong kyu Lee , Ruixuan Liu , Jia Zou , Li Xiong

Random Forests (RF) are among the most powerful and widely used predictive models for centralized tabular data, yet few methods exist to adapt them to the federated learning setting. Unlike most federated learning approaches, the…

Machine Learning · Statistics 2026-05-08 Rémi Khellaf , Erwan Scornet , Aurélien Bellet , Julie Josse

Federated Graph Learning (FGL) has garnered widespread attention by enabling collaborative training on multiple clients for semi-supervised classification tasks. However, most existing FGL studies do not well consider the missing…

Machine Learning · Computer Science 2024-07-17 Luying Zhong , Yueyang Pi , Zheyi Chen , Zhengxin Yu , Wang Miao , Xing Chen , Geyong Min

Federated learning (FL) is an emerging distributed training paradigm that aims to learn a common global model without exchanging or transferring the data that are stored locally at different clients. The Federated Averaging (FedAvg)-based…

Machine Learning · Computer Science 2024-02-20 Xiaolu Wang , Zijian Li , Shi Jin , Jun Zhang

We introduce FedSGM, a unified framework for federated constrained optimization that addresses four major challenges in federated learning (FL): functional constraints, communication bottlenecks, local updates, and partial client…

Machine Learning · Computer Science 2026-01-26 Antesh Upadhyay , Sang Bin Moon , Abolfazl Hashemi

Recent advancements in federated learning (FL) seek to increase client-level performance by fine-tuning client parameters on local data or personalizing architectures for the local task. Existing methods for such personalization either…

Machine Learning · Computer Science 2024-06-11 Rishub Tamirisa , John Won , Chengjun Lu , Ron Arel , Andy Zhou

Federated learning has gained significant attention due to its groundbreaking ability to enable distributed learning while maintaining privacy constraints. However, as a consequence of data heterogeneity among decentralized devices, it…

Machine Learning · Computer Science 2024-01-02 Hangyu Zhu , Yuxiang Fan , Zhenping Xie

For privacy-preserving graph learning tasks involving distributed graph datasets, federated learning (FL)-based GCN (FedGCN) training is required. A key challenge for FedGCN is scaling to large-scale graphs, which typically incurs high…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-24 Anran Li , Yuanyuan Chen , Chao Ren , Wenhan Wang , Ming Hu , Tianlin Li , Han Yu , Qingyu Chen

Federated learning (FL) aims to train machine learning (ML) models across potentially millions of edge client devices. Yet, training and customizing models for FL clients is notoriously challenging due to the heterogeneity of client data,…

Machine Learning · Computer Science 2024-04-29 Yuxuan Zhu , Jiachen Liu , Mosharaf Chowdhury , Fan Lai

Although Federated Learning has been widely studied in recent years, there are still high overhead expenses in each communication round for large-scale models such as Vision Transformer. To lower the communication complexity, we propose a…

Machine Learning · Computer Science 2026-04-21 Junkang Liu , Fanhua Shang , Yuanyuan Liu , Hongying Liu , Yuangang Li , YunXiang Gong

Foundation models (FMs) have demonstrated remarkable performance in machine learning but demand extensive training data and computational resources. Federated learning (FL) addresses the challenges posed by FMs, especially related to data…

Machine Learning · Computer Science 2023-10-24 Jiyun Shin , Jinhyun Ahn , Honggu Kang , Joonhyuk Kang

Generative models trained on multi-institutional datasets can provide an enriched understanding through diverse data distributions. However, training the models on medical images is often challenging due to hospitals' reluctance to share…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Minjun Kim , Minjee Kim , Jinhoon Jeong

Federated Learning (FL) represents a paradigm shift in the field of machine learning, offering an approach for a decentralized training of models across a multitude of devices while maintaining the privacy of local data. However, the…

Machine Learning · Computer Science 2024-08-21 Tatjana Legler , Vinit Hegiste , Martin Ruskowski

Federated learning (FL) aims to train machine learning models in the decentralized system consisting of an enormous amount of smart edge devices. Federated averaging (FedAvg), the fundamental algorithm in FL settings, proposes on-device…

Machine Learning · Computer Science 2020-12-17 Xin Yao , Tianchi Huang , Rui-Xiao Zhang , Ruiyu Li , Lifeng Sun

Federated Learning (FL) suffers significant performance degradation in real-world deployments characterized by moderate to extreme statistical heterogeneity (non-IID client data). While global aggregation strategies promote broad…

Machine Learning · Computer Science 2026-03-11 Prakash Kumbhakar , Shrey Srivastava , Haroon R Lone

Federated learning allows distributed medical institutions to collaboratively learn a shared prediction model with privacy protection. While at clinical deployment, the models trained in federated learning can still suffer from performance…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Quande Liu , Cheng Chen , Jing Qin , Qi Dou , Pheng-Ann Heng

Federated Learning (FL) requires frequent exchange of model parameters, which leads to long communication delay, especially when the network environments of clients vary greatly. Moreover, the parameter server needs to wait for the slowest…

Machine Learning · Computer Science 2024-04-09 Zhiying Feng , Xu Chen , Qiong Wu , Wen Wu , Xiaoxi Zhang , Qianyi Huang

Recent studies highlight the promise of LLM-based prompt optimization, especially with TextGrad, which automates differentiation'' via texts and backpropagates textual feedback. This approach facilitates training in various real-world…

Machine Learning · Computer Science 2025-02-28 Minghui Chen , Ruinan Jin , Wenlong Deng , Yuanyuan Chen , Zhi Huang , Han Yu , Xiaoxiao Li

Federated Learning (FL) addresses the need to create models based on proprietary data in such a way that multiple clients retain exclusive control over their data, while all benefit from improved model accuracy due to pooled resources.…

Machine Learning · Computer Science 2024-10-23 Urszula Chajewska , Harsh Shrivastava
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