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Graph Federated Learning (GFL) enables collaborative representation learning across distributed subgraphs while preserving privacy. However, heterogeneity remains a critical challenge, as subgraphs across clients typically differ…

Machine Learning · Computer Science 2026-05-08 Wentao Yu , Bo Han , Jie Yang , Chen Gong

Multimodal Federated Learning (MFL) enables clients with heterogeneous data modalities to collaboratively train models without sharing raw data, offering a privacy-preserving framework that leverages complementary cross-modal information.…

Machine Learning · Computer Science 2026-03-06 Min Tan , Junchao Ma , Yinfu Feng , Jiajun Ding , Wenwen Pan , Tingting Han , Qian Zheng , Zhenzhong Kuang , Zhou Yu

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

Federated learning (FL) is an emerging distributed machine learning paradigm enabling collaborative model training on decentralized devices without exposing their local data. A key challenge in FL is the uneven data distribution across…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-08 Md Sirajul Islam , Simin Javaherian , Fei Xu , Xu Yuan , Li Chen , Nian-Feng Tzeng

Federated Learning (FL) enables collaborative model training across diverse entities while safeguarding data privacy. However, FL faces challenges such as data heterogeneity and model diversity. The Meta-Federated Learning (Meta-FL)…

Machine Learning · Computer Science 2024-06-25 Zahir Alsulaimawi

Federated Learning (FL) is a distributed training paradigm that enables clients scattered across the world to cooperatively learn a global model without divulging confidential data. However, FL faces a significant challenge in the form of…

Machine Learning · Computer Science 2023-11-16 Xidong Wu , Wan-Yi Lin , Devin Willmott , Filipe Condessa , Yufei Huang , Zhenzhen Li , Madan Ravi Ganesh

Federated Learning (FL) aims at unburdening the training of deep models by distributing computation across multiple devices (clients) while safeguarding data privacy. On top of that, Federated Continual Learning (FCL) also accounts for data…

Machine Learning · Computer Science 2025-05-27 Riccardo Salami , Pietro Buzzega , Matteo Mosconi , Mattia Verasani , Simone Calderara

Federated learning is a privacy-focused approach towards machine learning where models are trained on client devices with locally available data and aggregated at a central server. However, the dependence on a single central server is…

Machine Learning · Computer Science 2026-01-06 Shamik Bhattacharyya , Rachel Kalpana Kalaimani

Federated Learning (FL) offers a decentralized paradigm for collaborative model training without direct data sharing, yet it poses unique challenges for Domain Generalization (DG), including strict privacy constraints, non-i.i.d. local…

Machine Learning · Computer Science 2025-01-28 Sunny Gupta , Vinay Sutar , Varunav Singh , Amit Sethi

Federated Learning (FL) has emerged as a vital paradigm in modern machine learning that enables collaborative training across decentralized data sources without exchanging raw data. This approach not only addresses privacy concerns but also…

Machine Learning · Computer Science 2025-08-19 Zahra Kharaghani , Ali Dadras , Tommy Löfstedt

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

Federated learning (FL) is a distributed learning paradigm that maximizes the potential of data-driven models for edge devices without sharing their raw data. However, devices often have non-independent and identically distributed (non-IID)…

Machine Learning · Computer Science 2023-08-31 Zijian Li , Zehong Lin , Jiawei Shao , Yuyi Mao , Jun Zhang

Federated learning (FL) has recently emerged as a transformative paradigm that jointly train a model with distributed data sets in IoT while avoiding the need for central data collection. Due to the limited observation range, such data sets…

Machine Learning · Computer Science 2021-12-13 Shuo Wan , Jiaxun Lu , Pingyi Fan , Yunfeng Shao , Chenghui Peng , Khaled B. Letaief

Most personalised federated learning (FL) approaches assume that raw data of all clients are defined in a common subspace i.e. all clients store their data according to the same schema. For real-world applications, this assumption is…

Machine Learning · Computer Science 2023-01-30 Alain Rakotomamonjy , Maxime Vono , Hamlet Jesse Medina Ruiz , Liva Ralaivola

Federated learning (FL) enables distributed training while preserving data privacy, but stragglers-slow or incapable clients-can significantly slow down the total training time and degrade performance. To mitigate the impact of stragglers,…

Machine Learning · Computer Science 2024-09-11 Honggu Kang , Seohyeon Cha , Jinwoo Shin , Jongmyeong Lee , Joonhyuk Kang

Federated Semi-Supervised Learning (FSSL) aims to collaboratively train a global model across clients by leveraging partially-annotated local data in a privacy-preserving manner. In FSSL, data heterogeneity is a challenging issue, which…

Machine Learning · Computer Science 2026-02-25 Duowen Chen , Yan Wang

Personalized federated learning (PFL) addresses a critical challenge of collaboratively training customized models for clients with heterogeneous and scarce local data. Conventional federated learning, which relies on a single consensus…

Machine Learning · Computer Science 2025-10-24 Ke Xing , Yanjie Dong , Xiaoyi Fan , Runhao Zeng , Victor C. M. Leung , M. Jamal Deen , Xiping Hu

Federated learning (FL) is a promising technique that enables a large amount of edge computing devices to collaboratively train a global learning model. Due to privacy concerns, the raw data on devices could not be available for centralized…

Machine Learning · Computer Science 2020-11-24 Miao Yang , Akitanoshou Wong , Hongbin Zhu , Haifeng Wang , Hua Qian

Federated Learning (FL) provides decentralised model training, which effectively tackles problems such as distributed data and privacy preservation. However, the generalisation of global models frequently faces challenges from data…

Machine Learning · Computer Science 2025-09-05 Ozgu Goksu , Nicolas Pugeault

Federated Learning (FL) is a distributed learning paradigm that empowers edge devices to collaboratively learn a global model leveraging local data. Simulating FL on GPU is essential to expedite FL algorithm prototyping and evaluations.…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-26 Min Zhang , Fuxun Yu , Yongbo Yu , Minjia Zhang , Ang Li , Xiang Chen
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