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Federated Learning (FL) enables a group of clients to collaboratively train a model without sharing individual data, but its performance drops when client data are heterogeneous. Clustered FL tackles this by grouping similar clients.…

Machine Learning · Computer Science 2026-03-02 Anik Pramanik , Murat Kantarcioglu , Vincent Oria , Shantanu Sharma

Federated learning enables collaborative model training without sharing raw data, but its performance can degrade substantially under heterogeneous client data distributions. A single global model often cannot satisfy diverse client…

Machine Learning · Computer Science 2026-05-27 Yunseok Kang , Jaeyoung Song

Federated learning (FL) is a powerful distributed machine learning framework where a server aggregates models trained by different clients without accessing their private data. Hierarchical FL, with a client-edge-cloud aggregation…

Machine Learning · Computer Science 2023-01-10 Lumin Liu , Jun Zhang , Shenghui Song , Khaled B. Letaief

Federated Learning (FL) has emerged as a prominent privacy-preserving technique for enabling use cases like confidential clinical machine learning. FL operates by aggregating models trained by remote devices which owns the data. Thus, FL…

Machine Learning · Computer Science 2024-04-23 Michael Duchesne , Kaiwen Zhang , Chamseddine Talhi

Federated learning (FL) is a distributed learning method that offers medical institutes the prospect of collaboration in a global model while preserving the privacy of their patients. Although most medical centers conduct similar medical…

Machine Learning · Computer Science 2022-07-08 Yousef Yeganeh , Azade Farshad , Johann Boschmann , Richard Gaus , Maximilian Frantzen , Nassir Navab

Federated learning is a distributed machine learning paradigm designed to protect data privacy. However, data heterogeneity across various clients results in catastrophic forgetting, where the model rapidly forgets previous knowledge while…

Machine Learning · Computer Science 2024-11-07 Pengju Wang , Bochao Liu , Weijia Guo , Yong Li , Shiming Ge

Federated Learning (FL) aims to infer a shared model from private and decentralized data stored by multiple clients. Personalized FL (PFL) enhances the model's fit for each client by adapting the global model to the clients. A significant…

Machine Learning · Computer Science 2025-03-27 Mahrokh Ghoddousi Boroujeni , Andreas Krause , Giancarlo Ferrari Trecate

Traditional Federated Learning (FL) methods encounter significant challenges when dealing with heterogeneous data and providing personalized solutions for non-IID scenarios. Personalized Federated Learning (PFL) approaches aim to address…

Machine Learning · Computer Science 2025-11-11 Yasaman Saadati , Mohammad Rostami , M. Hadi Amini

Federated Learning (FL) is an emerging paradigm that enables multiple users to collaboratively train a robust model in a privacy-preserving manner without sharing their private data. Most existing approaches of FL only consider traditional…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 I-Jieh Liu , Ci-Siang Lin , Fu-En Yang , Yu-Chiang Frank Wang

Federated learning (FL) is a distributed training paradigm that enables collaborative learning across clients without sharing local data, thereby preserving privacy. However, the increasing scale and complexity of modern deep models often…

Machine Learning · Computer Science 2025-05-20 Honggu Kang , Seohyeon Cha , Joonhyuk Kang

As privacy concerns continue to grow, federated learning (FL) has gained significant attention as a promising privacy-preserving technology, leading to considerable advancements in recent years. Unlike traditional machine learning, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-05 Boyu Fan , Siyang Jiang , Xiang Su , Sasu Tarkoma , Pan Hui

Federated learning (FL) and split learning (SL) are two popular distributed machine learning approaches. Both follow a model-to-data scenario; clients train and test machine learning models without sharing raw data. SL provides better model…

Machine Learning · Computer Science 2022-02-18 Chandra Thapa , M. A. P. Chamikara , Seyit Camtepe , Lichao Sun

Federated learning (FL) enables collaboratively training deep learning models on decentralized data. However, there are three types of heterogeneities in FL setting bringing about distinctive challenges to the canonical federated learning…

Machine Learning · Computer Science 2020-09-18 Tao Shen , Jie Zhang , Xinkang Jia , Fengda Zhang , Gang Huang , Pan Zhou , Kun Kuang , Fei Wu , Chao Wu

Traditionally, federated learning (FL) aims to train a single global model while collaboratively using multiple clients and a server. Two natural challenges that FL algorithms face are heterogeneity in data across clients and collaboration…

Machine Learning · Computer Science 2022-07-06 Kaan Ozkara , Navjot Singh , Deepesh Data , Suhas Diggavi

Parameter-efficient fine-tuning (PEFT) methods typically assume that Large Language Models (LLMs) are trained on data from a single device or client. However, real-world scenarios often require fine-tuning these models on private data…

Machine Learning · Computer Science 2025-06-03 Sajjad Ghiasvand , Yifan Yang , Zhiyu Xue , Mahnoosh Alizadeh , Zheng Zhang , Ramtin Pedarsani

The advent of smart meters has enabled pervasive collection of energy consumption data for training short-term load forecasting (STLF) models. In response to privacy concerns, federated learning (FL) has been proposed as a…

Machine Learning · Computer Science 2023-09-26 Shourya Bose , Kibaek Kim

Knowledge sharing and model personalization are two key components in the conceptual framework of personalized federated learning (PFL). Existing PFL methods focus on proposing new model personalization mechanisms while simply implementing…

Machine Learning · Computer Science 2022-05-03 Fengwen Chen , Guodong Long , Zonghan Wu , Tianyi Zhou , Jing Jiang

Federated Learning (FL) is a promising paradigm that offers significant advancements in privacy-preserving, decentralized machine learning by enabling collaborative training of models across distributed devices without centralizing data.…

Machine Learning · Computer Science 2024-06-03 Khiem Le , Nhan Luong-Ha , Manh Nguyen-Duc , Danh Le-Phuoc , Cuong Do , Kok-Seng Wong

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

Personalized Federated Learning (PFL) aims to acquire customized models for each client without disclosing raw data by leveraging the collective knowledge of distributed clients. However, the data collected in real-world scenarios is likely…

Machine Learning · Computer Science 2024-08-06 Fengling Lv , Xinyi Shang , Yang Zhou , Yiqun Zhang , Mengke Li , Yang Lu
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