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Federated learning (FL), which has gained increasing attention recently, enables distributed devices to train a common machine learning (ML) model for intelligent inference cooperatively without data sharing. However, problems in practical…

Machine Learning · Computer Science 2022-11-01 Yujie Zhou , Zhidu Li , Tong Tang , Ruyan Wang

Federated learning has emerged as a paradigm for collaborative learning, enabling the development of robust models without the need to centralise sensitive data. However, conventional federated learning techniques have privacy and security…

Machine Learning · Computer Science 2024-07-31 Eugenio Lomurno , Matteo Matteucci

Federated learning (FL) typically faces data heterogeneity, i.e., distribution shifting among clients. Sharing clients' information has shown great potentiality in mitigating data heterogeneity, yet incurs a dilemma in preserving privacy…

Machine Learning · Computer Science 2023-10-12 Zhiqin Yang , Yonggang Zhang , Yu Zheng , Xinmei Tian , Hao Peng , Tongliang Liu , Bo Han

Federated learning has been identified as an efficient decentralized training paradigm for scaling the machine learning model training on a large number of devices while guaranteeing the data privacy of the trainers. FedAvg has become a…

Machine Learning · Computer Science 2024-04-23 Haotian Xu , Zhaorui Zhang , Sheng Di , Benben Liu , Khalid Ayed Alharthi , Jiannong Cao

Although data-driven methods usually have noticeable performance on disease diagnosis and treatment, they are suspected of leakage of privacy due to collecting data for model training. Recently, federated learning provides a secure and…

Artificial Intelligence · Computer Science 2023-06-27 Yawei Zhao , Qinghe Liu , Xinwang Liu , Kunlun He

Federated Learning (FL) allows multiple privacy-sensitive applications to leverage their dataset for a global model construction without any disclosure of the information. One of those domains is healthcare, where groups of silos…

Machine Learning · Computer Science 2024-09-06 Usevalad Milasheuski , Luca Barbieri , Bernardo Camajori Tedeschini , Monica Nicoli , Stefano Savazzi

Personalized federated learning is tasked with training machine learning models for multiple clients, each with its own data distribution. The goal is to train personalized models in a collaborative way while accounting for data disparities…

Machine Learning · Computer Science 2021-03-09 Aviv Shamsian , Aviv Navon , Ethan Fetaya , Gal Chechik

Due to limited communication capacities of edge devices, most existing federated learning (FL) methods randomly select only a subset of devices to participate in training for each communication round. Compared with engaging all the…

Machine Learning · Computer Science 2023-06-07 Jianyi Zhang , Ang Li , Minxue Tang , Jingwei Sun , Xiang Chen , Fan Zhang , Changyou Chen , Yiran Chen , Hai Li

Recent developments in Artificial Intelligence techniques have enabled their successful application across a spectrum of commercial and industrial settings. However, these techniques require large volumes of data to be aggregated in a…

Cryptography and Security · Computer Science 2023-04-04 Dengsheng Chen , Vince Tan , Zhilin Lu , Jie Hu

Machine learning methods for estimating heterogeneous treatment effects (HTE) facilitate large-scale personalized decision-making across various domains such as healthcare, policy making, education, and more. Current machine learning…

Machine Learning · Computer Science 2024-06-25 Disha Makhija , Joydeep Ghosh , Yejin Kim

Federated learning is an emerging distributed machine learning framework aiming at protecting data privacy. Data heterogeneity is one of the core challenges in federated learning, which could severely degrade the convergence rate and…

Machine Learning · Statistics 2025-11-27 Feifei Wang , Huiyun Tang , Yang Li

Recent advances in personalized federated learning have focused on addressing client model heterogeneity. However, most existing methods still require external data, rely on model decoupling, or adopt partial learning strategies, which can…

Machine Learning · Computer Science 2025-07-31 Chen Zhang , Husheng Li , Xiang Liu , Linshan Jiang , Danxin Wang

Federated learning (FL) aims to train models collaboratively across clients without sharing data for privacy-preserving. However, one major challenge is the data heterogeneity issue, which refers to the biased labeling preferences at…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Huan Wang , Haoran Li , Huaming Chen , Jun Yan , Jiahua Shi , Jun Shen

Dataset-level heterogeneity introduces significant domain biases that fundamentally degrade generalization on general Time Series Foundation Models (TSFMs), yet this challenge remains underexplored. This paper rethinks the from-scratch…

Machine Learning · Computer Science 2026-03-17 Shengchao Chen , Guodong Long , Michael Blumenstein , Jing Jiang

Federated learning is a decentralized and privacy-preserving technique that enables multiple clients to collaborate with a server to learn a global model without exposing their private data. However, the presence of statistical…

Machine Learning · Computer Science 2023-07-06 Shiyu Liu , Shaogao Lv , Dun Zeng , Zenglin Xu , Hui Wang , Yue Yu

Federated Learning (FL) offers a collaborative training framework, allowing multiple clients to contribute to a shared model without compromising data privacy. Due to the heterogeneous nature of local datasets, updated client models may…

Machine Learning · Computer Science 2023-11-14 Chia-Hsiang Kao , Yu-Chiang Frank Wang

The increasingly stringent data privacy regulations limit the development of person re-identification (ReID) because person ReID training requires centralizing an enormous amount of data that contains sensitive personal information. To…

Computer Vision and Pattern Recognition · Computer Science 2022-05-25 Weiming Zhuang , Xin Gan , Yonggang Wen , Shuai Zhang

In distributed computing environments, collaborative machine learning enables multiple clients to train a global model collaboratively. To preserve privacy in such settings, a common technique is to utilize frequent updates and…

Machine Learning · Computer Science 2025-01-24 Chia-Yuan Wu , Frank E. Curtis , Daniel P. Robinson

Federated learning (FL) is an emerging technique that trains massive and geographically distributed edge data while maintaining privacy. However, FL has inherent challenges in terms of fairness and computational efficiency due to the rising…

Machine Learning · Computer Science 2023-04-28 Yingchun Wang , Jingcai Guo , Jie Zhang , Song Guo , Weizhan Zhang , Qinghua Zheng

Cross-silo federated learning offers a promising solution to collaboratively train robust and generalized AI models without compromising the privacy of local datasets, e.g., healthcare, financial, as well as scientific projects that lack a…