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Federated Learning (FL) enables decentralized, privacy-preserving model training but struggles to balance global generalization and local personalization due to non-identical data distributions across clients. Personalized Fine-Tuning…

Machine Learning · Computer Science 2025-12-30 Minghui Chen , Hrad Ghoukasian , Ruinan Jin , Zehua Wang , Sai Praneeth Karimireddy , Xiaoxiao Li

Federated Learning (FL) aims to learn a single global model that enables the central server to help the model training in local clients without accessing their local data. The key challenge of FL is the heterogeneity of local data in…

Machine Learning · Computer Science 2023-04-17 Sicong Liang , Junchao Tian , Shujun Yang , Yu Zhang

Heterogeneous federated learning (HFL) aims to ensure effective and privacy-preserving collaboration among different entities. As newly joined clients require significant adjustments and additional training to align with the existing…

Machine Learning · Computer Science 2026-01-29 Kaile Wang , Jiannong Cao , Yu Yang , Xiaoyin Li , Mingjin Zhang

Federated learning (FL) is a distributed machine learning framework where the global model of a central server is trained via multiple collaborative steps by participating clients without sharing their data. While being a flexible…

Machine Learning · Computer Science 2024-05-03 Junhyung Lyle Kim , Mohammad Taha Toghani , César A. Uribe , Anastasios Kyrillidis

Federated Learning (FL) is a machine learning technique that enables multiple entities to collaboratively learn a shared model without exchanging their local data. Over the past decade, FL systems have achieved substantial progress, scaling…

Machine Learning · Computer Science 2025-03-04 Katharine Daly , Hubert Eichner , Peter Kairouz , H. Brendan McMahan , Daniel Ramage , Zheng Xu

Federated Learning (FL) refers to learning a high quality global model based on decentralized data storage, without ever copying the raw data. A natural scenario arises with data created on mobile phones by the activity of their users.…

Machine Learning · Computer Science 2023-01-19 Yihan Jiang , Jakub Konečný , Keith Rush , Sreeram Kannan

Federated learning (FL) is a heavily promoted approach for training ML models on sensitive data, e.g., text typed by users on their smartphones. FL is expressly designed for training on data that are unbalanced and non-iid across the…

Machine Learning · Computer Science 2022-03-07 Tao Yu , Eugene Bagdasaryan , Vitaly Shmatikov

Personalization aims to characterize individual preferences and is widely applied across many fields. However, conventional personalized methods operate in a centralized manner, potentially exposing raw data when pooling individual…

Machine Learning · Computer Science 2025-08-06 Hao Di , Yi Yang , Haishan Ye , Xiangyu Chang

Federated Learning (FL) is popular for its privacy-preserving and collaborative learning capabilities. Recently, personalized FL (pFL) has received attention for its ability to address statistical heterogeneity and achieve personalization…

Machine Learning · Computer Science 2023-10-17 Jianqing Zhang , Yang Hua , Hao Wang , Tao Song , Zhengui Xue , Ruhui Ma , Jian Cao , Haibing Guan

Personalized Federated Learning (PFL) which collaboratively trains a federated model while considering local clients under privacy constraints has attracted much attention. Despite its popularity, it has been observed that existing PFL…

Machine Learning · Computer Science 2022-12-05 Tianchun Wang , Wei Cheng , Dongsheng Luo , Wenchao Yu , Jingchao Ni , Liang Tong , Haifeng Chen , Xiang Zhang

As people pay more and more attention to privacy protection, Federated Learning (FL), as a promising distributed machine learning paradigm, is receiving more and more attention. However, due to the biased distribution of data on devices in…

Machine Learning · Computer Science 2023-02-27 Yuquan Zhang , Yongquan Zhang

Federated Learning (FL) seeks to distribute model training across local clients without collecting data in a centralized data-center, hence removing data-privacy concerns. A major challenge for FL is data heterogeneity (where each client's…

Machine Learning · Computer Science 2022-09-22 Junjiao Tian , James Seale Smith , Zsolt Kira

There is a growing interest in applying machine learning techniques to healthcare. Recently, federated learning (FL) is gaining popularity since it allows researchers to train powerful models without compromising data privacy and security.…

Machine Learning · Computer Science 2022-05-23 Wang Lu , Jindong Wang , Yiqiang Chen , Xin Qin , Renjun Xu , Dimitrios Dimitriadis , Tao Qin

Federated learning (FL) is an emerging machine learning paradigm that allows multiple parties to train a shared model collaboratively in a privacy-preserving manner. Existing horizontal FL methods generally assume that the FL server and…

Machine Learning · Computer Science 2023-08-02 Liping Yi , Gang Wang , Xiaoguang Liu , Zhuan Shi , Han Yu

Personalized Federated Learning (FL) is an emerging research field in FL that learns an easily adaptable global model in the presence of data heterogeneity among clients. However, one of the main challenges for personalized FL is the heavy…

Machine Learning · Computer Science 2022-06-14 Jaehun Song , Min-hwan Oh , Hyung-Sin Kim

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

Federated Learning (FL) has emerged as a key approach for distributed machine learning, enhancing online personalization while ensuring user data privacy. Instead of sending private data to a central server as in traditional approaches, FL…

Information Retrieval · Computer Science 2023-09-19 Francesco Fabbri , Xianghang Liu , Jack R. McKenzie , Bartlomiej Twardowski , Tri Kurniawan Wijaya

Federated learning (FL) is a distributed model training paradigm that preserves clients' data privacy. It has gained tremendous attention from both academia and industry. FL hyper-parameters (e.g., the number of selected clients and the…

Machine Learning · Computer Science 2022-11-28 Huanle Zhang , Lei Fu , Mi Zhang , Pengfei Hu , Xiuzhen Cheng , Prasant Mohapatra , Xin Liu

Federated learning (FL) emerges as a decentralized learning framework which trains models from multiple distributed clients without sharing their data to preserve privacy. Recently, large-scale pre-trained models (e.g., Vision Transformer)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Fu-En Yang , Chien-Yi Wang , Yu-Chiang Frank Wang

Federated learning (FL) refers to the learning paradigm that trains machine learning models directly in the decentralized systems consisting of smart edge devices without transmitting the raw data, which avoids the heavy communication costs…

Machine Learning · Computer Science 2020-12-17 Xin Yao , Lifeng Sun