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Federated Learning (FL) has surged in prominence due to its capability of collaborative model training without direct data sharing. However, the vast disparity in local data distributions among clients, often termed the Non-Independent…

Machine Learning · Computer Science 2024-12-12 Zheshun Wu , Zenglin Xu , Dun Zeng , Qifan Wang , Jie Liu

Federated Learning (FL) is a distributed learning paradigm that enables a large number of resource-limited nodes to collaboratively train a model without data sharing. The non-independent-and-identically-distributed (non-i.i.d.) data…

Machine Learning · Computer Science 2022-02-04 Hongda Wu , Ping Wang

Federated learning allows loads of edge computing devices to collaboratively learn a global model without data sharing. The analysis with partial device participation under non-IID and unbalanced data reflects more reality. In this work, we…

Machine Learning · Computer Science 2020-12-23 Qianqian Tong , Guannan Liang , Jinbo Bi

Federated learning (FL) is a distributed machine learning approach involving multiple clients collaboratively training a shared model. Such a system has the advantage of more training data from multiple clients, but data can be…

Machine Learning · Computer Science 2021-08-24 Sone Kyaw Pye , Han Yu

Federated Learning (FL) facilitates collaborative model training across decentralized clients while preserving data privacy by avoiding raw data exchange. Despite its potential, FL performance is often compromised by data heterogeneity…

Machine Learning · Computer Science 2026-05-12 Qijun Hou , Yuchen Shi , Pingyi Fan , Khaled B. Letaief

Federated learning (FL) is a commonly distributed algorithm for mobile users (MUs) training artificial intelligence (AI) models, however, several challenges arise when applying FL to real-world scenarios, such as label scarcity, non-IID…

Machine Learning · Computer Science 2024-10-14 Yubo Peng , Feibo Jiang , Li Dong , Kezhi Wang , Kun Yang

Federated learning enables edge devices to train a global model collaboratively without exposing their data. Despite achieving outstanding advantages in computing efficiency and privacy protection, federated learning faces a significant…

Federated learning (FL) has emerged as an effective solution to decentralized and privacy-preserving machine learning for mobile clients. While traditional FL has demonstrated its superiority, it ignores the non-iid (independently…

Machine Learning · Computer Science 2021-10-25 Bingyan Liu , Yifeng Cai , Ziqi Zhang , Yuanchun Li , Leye Wang , Ding Li , Yao Guo , Xiangqun Chen

This paper proposes a cooperative mechanism for mitigating the performance degradation due to non-independent-and-identically-distributed (non-IID) data in collaborative machine learning (ML), namely federated learning (FL), which trains an…

Machine Learning · Computer Science 2020-03-06 Naoya Yoshida , Takayuki Nishio , Masahiro Morikura , Koji Yamamoto , Ryo Yonetani

Federated learning (FL) enables collaborative model training across decentralized datasets. NVIDIA FLARE's Federated XGBoost extends the popular XGBoost algorithm to both vertical and horizontal federated settings, facilitating joint model…

Cryptography and Security · Computer Science 2025-04-08 Ziyue Xu , Yuan-Ting Hsieh , Zhihong Zhang , Holger R. Roth , Chester Chen , Yan Cheng , Andrew Feng

In this perspective paper we study the effect of non independent and identically distributed (non-IID) data on federated online learning to rank (FOLTR) and chart directions for future work in this new and largely unexplored research area…

Information Retrieval · Computer Science 2022-05-03 Shuyi Wang , Guido Zuccon

With the growth of machine learning techniques, privacy of data of users has become a major concern. Most of the machine learning algorithms rely heavily on large amount of data which may be collected from various sources. Collecting these…

Machine Learning · Computer Science 2023-11-17 Mahfuzur Rahman Chowdhury , Muhammad Ibrahim

Federated Learning (FL) is a distributed machine learning protocol that allows a set of agents to collaboratively train a model without sharing their datasets. This makes FL particularly suitable for settings where data privacy is desired.…

Machine Learning · Computer Science 2021-12-03 Mustafa Safa Ozdayi , Murat Kantarcioglu

Federated learning (FL) is a decentralized collaborative machine learning (ML) technique. It provides a solution to the issues of isolated data islands and data privacy leakage in industrial ML practices. One major challenge in FL is…

Machine Learning · Computer Science 2025-06-26 Yushan Zhao , Jinyuan He , Donglai Chen , Weijie Luo , Chong Xie , Ri Zhang , Yonghong Chen , Yan Xu

Federated learning algorithms perform reasonably well on independent and identically distributed (IID) data. They, on the other hand, suffer greatly from heterogeneous environments, i.e., Non-IID data. Despite the fact that many research…

Machine Learning · Computer Science 2023-09-15 Yeachan Kim , Bonggun Shin

Federated Learning (FL) on non-independently and identically distributed (non-IID) data remains a critical challenge, as existing approaches struggle with severe data heterogeneity. Current methods primarily address symptoms of non-IID by…

Machine Learning · Computer Science 2025-04-21 Hui Yeok Wong , Chee Kau Lim , Chee Seng Chan

Federated Learning (FL) is a distributed machine learning framework in communication network systems. However, the systems' Non-Independent and Identically Distributed (Non-IID) data negatively affect the convergence efficiency of the…

Machine Learning · Computer Science 2025-07-04 Ping Luo , Xiaoge Deng , Ziqing Wen , Tao Sun , Dongsheng Li

Federated learning enables edge devices to collaboratively train a global model while maintaining data privacy by keeping data localized. However, the Non-IID nature of data distribution across devices often hinders model convergence and…

Machine Learning · Computer Science 2025-11-25 Youngjoon Lee , Jinu Gong , Joonhyuk Kang

Federated Learning (FL) is a variant of distributed learning where edge devices collaborate to learn a model without sharing their data with the central server or each other. We refer to the process of training multiple independent models…

Machine Learning · Computer Science 2022-09-22 Neelkamal Bhuyan , Sharayu Moharir , Gauri Joshi

Federated Learning (FL) enables collaborative model training across large-scale distributed service nodes while preserving data privacy, making it a cornerstone of intelligent service systems in edge-cloud environments. However, in…

Machine Learning · Computer Science 2026-02-03 Zhiwei Ling , Hailiang Zhao , Chao Zhang , Xiang Ao , Ziqi Wang , Cheng Zhang , Zhen Qin , Xinkui Zhao , Kingsum Chow , Yuanqing Wu , MengChu Zhou