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200 Results Found

  • Article
  • Open Access
10 Citations
6,928 Views
31 Pages

Advanced Optimization Techniques for Federated Learning on Non-IID Data

  • Filippos Efthymiadis,
  • Aristeidis Karras,
  • Christos Karras and
  • Spyros Sioutas

13 October 2024

Federated learning enables model training on multiple clients locally, without the need to transfer their data to a central server, thus ensuring data privacy. In this paper, we investigate the impact of Non-Independent and Identically Distributed (n...

  • Article
  • Open Access
7 Citations
3,208 Views
21 Pages

Privacy-Enhanced Federated Learning for Non-IID Data

  • Qingjie Tan,
  • Shuhui Wu and
  • Yuanhong Tao

29 September 2023

Federated learning (FL) allows the collaborative training of a collective model by a vast number of decentralized clients while ensuring that these clients’ data remain private and are not shared. In practical situations, the training data util...

  • Article
  • Open Access
19 Citations
5,308 Views
16 Pages

19 January 2023

Due to the distributed data collection and learning in federated learnings, many clients conduct local training with non-independent and identically distributed (non-IID) datasets. Accordingly, the training from these datasets results in severe perfo...

  • Article
  • Open Access
1,170 Views
19 Pages

Clustered Federated Learning with Adaptive Similarity for Non-IID Data

  • Guodong Yi,
  • Zhouyang Wu,
  • Xinyu Zhang and
  • Xiaocui Li

14 November 2025

Federated learning (FL) offers a distributed approach for the collaborative training of machine learning models across decentralized clients while safeguarding data privacy. This characteristic makes FL well suited for privacy-sensitive fields such a...

  • Article
  • Open Access
1,406 Views
21 Pages

Federated Learning for Human Pose Estimation on Non-IID Data via Gradient Coordination

  • Peng Ni,
  • Dan Xiang,
  • Dawei Jiang,
  • Jianwei Sun and
  • Jingxiang Cui

12 July 2025

Human pose estimation is an important downstream task in computer vision, with significant applications in action recognition and virtual reality. However, data collected in a decentralized manner often exhibit non-independent and identically distrib...

  • Article
  • Open Access
8 Citations
7,851 Views
18 Pages

FedRDS: Federated Learning on Non-IID Data via Regularization and Data Sharing

  • Yankai Lv,
  • Haiyan Ding,
  • Hao Wu,
  • Yiji Zhao and
  • Lei Zhang

4 December 2023

Federated learning (FL) is an emerging decentralized machine learning framework enabling private global model training by collaboratively leveraging local client data without transferring it centrally. Unlike traditional distributed optimization, FL...

  • Article
  • Open Access
1 Citations
682 Views
23 Pages

25 October 2025

Federated learning has emerged as a promising approach for privacy-preserving model training across decentralized UAV swarm systems. However, challenges such as data heterogeneity, communication constraints, and limited computational resources signif...

  • Article
  • Open Access
13 Citations
3,714 Views
15 Pages

7 November 2023

The proliferation of IoT devices has led to an unprecedented integration of machine learning techniques, raising concerns about data privacy. To address these concerns, federated learning has been introduced. However, practical implementations face c...

  • Review
  • Open Access
6 Citations
3,478 Views
32 Pages

16 December 2024

After first appearing in December 2019, coronavirus disease 2019 (COVID-19) spread rapidly, leading to global effects and significant risks to health systems. The virus’s high replication competence in the human lung accelerated the severity of...

  • Article
  • Open Access
1,649 Views
19 Pages

4 October 2025

Non-IID is one of the key challenges in federated learning. Data heterogeneity may lead to slower convergence, reduced accuracy, and more training rounds. To address the common Non-IID data distribution problem in federated learning, we propose a com...

  • Article
  • Open Access
4 Citations
2,788 Views
18 Pages

Federated learning (FL) is a novel distributed machine learning paradigm. It can protect data privacy in distributed machine learning. Hence, FL provides new ideas for user behavior analysis. User behavior analysis can be modeled using multiple data...

  • Review
  • Open Access
6 Citations
4,769 Views
37 Pages

24 March 2024

Federated learning has emerged as a promising approach for collaborative model training across distributed devices. Federated learning faces challenges such as Non-Independent and Identically Distributed (non-IID) data and communication challenges. T...

  • Article
  • Open Access
508 Views
20 Pages

MFedBN: Tackling Data Heterogeneity with Gradient-Based Aggregation and Advanced Distribution Skew Modeling

  • Kinda Mreish,
  • Evgenia Novikova,
  • Mikhail Chaplygin,
  • Ivan Kholod and
  • Tarek Alnajar

1 December 2025

Federated Learning (FL) enables collaborative model training on smart edge devices while preserving data privacy, but it suffers from decreased performance when faced with non-Independent and Identically Distributed (non-IID) data. This paper address...

  • Article
  • Open Access
14 Citations
4,548 Views
19 Pages

23 May 2022

Federated learning (FL) can tackle the problem of data silos of asymmetric information and privacy leakage; however, it still has shortcomings, such as data heterogeneity, high communication cost and uneven distribution of performance. To overcome th...

  • Article
  • Open Access
912 Views
14 Pages

The proliferation of mobile devices has generated exponential data growth, driving efforts to extract value. However, mobile data often presents non-independent and identically distributed (non-IID) challenges owing to varying device, environmental,...

  • Article
  • Open Access
410 Views
22 Pages

FedPLC: Federated Learning with Dynamic Cluster Adaptation for Concept Drift on Non-IID Data

  • Qi Zhou,
  • Yantao Yu,
  • Jingxiao Ma,
  • Mohammad S. Obaidat,
  • Xing Chang,
  • Mingchen Ma and
  • Shousheng Sun

2 January 2026

In practical deployments of decentralized federated learning (FL) in Internet of Things (IoT) environments, the non-independent and identically distributed (Non-IID) nature of client-local data limits model performance. Furthermore, concept drift fur...

  • Article
  • Open Access
11 Citations
5,256 Views
20 Pages

A large number of mobile devices, smart wearable devices, and medical and health sensors continue to generate massive amounts of data, making edge devices’ data explode and making it possible to implement data-driven artificial intelligence. Ho...

  • Article
  • Open Access
4 Citations
2,257 Views
20 Pages

10 November 2023

Federated learning (FL) offers the possibility of collaboration between multiple devices while maintaining data confidentiality, as required by the General Data Protection Regulation (GDPR). Though FL can keep local data private, it may encounter pro...

  • Article
  • Open Access
1,576 Views
20 Pages

Personalized Federated Learning Based on Dynamic Parameter Fusion and Prototype Alignment

  • Ying Chen,
  • Jing Wen,
  • Shaoling Liang,
  • Zhaofa Chen and
  • Baohua Huang

15 August 2025

To address the limitation of generalization of federated learning under non-independent and identically distributed (Non-IID) data, we propose FedDFPA, a personalized federated learning framework that integrates dynamic parameter fusion and prototype...

  • Article
  • Open Access
934 Views
22 Pages

14 June 2025

Introduction: Federated Learning (FL) is a distributed machine learning paradigm where a global model is collaboratively trained across multiple decentralized clients without exchanging raw data. This is especially important in sensor networks and ed...

  • Article
  • Open Access
2 Citations
769 Views
12 Pages

Due to the independent, identically distributed (non-IID) nature of IoT device data, the traditional federated learning (FL) procedure, where IoT devices train the deep model in parallel, suffers from a degradation in learning accuracy. To mitigate t...

  • Article
  • Open Access
1,668 Views
23 Pages

19 August 2025

Federated learning (FL) has emerged as a powerful framework for decentralized model training, preserving data privacy by keeping datasets localized on distributed devices. However, data heterogeneity, characterized by significant variations in size,...

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,464 Views
20 Pages

Fed4UL: A Cloud–Edge–End Collaborative Federated Learning Framework for Addressing the Non-IID Data Issue in UAV Logistics

  • Chong Zhang,
  • Xiao Liu,
  • Aiting Yao,
  • Jun Bai,
  • Chengzu Dong,
  • Shantanu Pal and
  • Frank Jiang

10 July 2024

Artificial intelligence and the Internet of Things (IoT) have brought great convenience to people’s everyday lives. With the emergence of edge computing, IoT devices such as unmanned aerial vehicles (UAVs) can process data instantly at the poin...

  • Article
  • Open Access
199 Views
20 Pages

9 January 2026

Human Activity Recognition (HAR) using wearable sensors enables impactful applications in healthcare, fitness, and smart environments, but it also faces challenges related to data privacy, non-independent and identically distributed (non-IID) data, a...

  • Article
  • Open Access
3,585 Views
22 Pages

Federated Optimization of 0-norm Regularized Sparse Learning

  • Qianqian Tong,
  • Guannan Liang,
  • Jiahao Ding,
  • Tan Zhu,
  • Miao Pan and
  • Jinbo Bi

6 September 2022

Regularized sparse learning with the ℓ0-norm is important in many areas, including statistical learning and signal processing. Iterative hard thresholding (IHT) methods are the state-of-the-art for nonconvex-constrained sparse learning due to t...

  • Article
  • Open Access
34 Citations
4,198 Views
11 Pages

By leveraging deep learning technologies, data-driven-based approaches have reached great success with the rapid increase of data generated for medical applications. However, security and privacy concerns are obstacles for data providers in many sens...

  • Article
  • Open Access
1,390 Views
16 Pages

25 October 2024

The proliferation of edge devices and advancements in Internet of Things technology have created a vast array of distributed data sources, necessitating machine learning models that can operate closer to the point of data generation. Traditional cent...

  • Article
  • Open Access
14 Citations
3,563 Views
18 Pages

8 September 2023

The accelerating progress of the Internet of Vehicles (IoV) has put forward a higher demand for distributed model training and data sharing in vehicular networks. Traditional centralized approaches are no longer applicable in the face of drivers&rsqu...

  • Article
  • Open Access
4 Citations
1,785 Views
20 Pages

Enhancing IoT Scalability and Interoperability Through Ontology Alignment and FedProx

  • Chaimae Kanzouai,
  • Soukaina Bouarourou,
  • Abderrahim Zannou,
  • Abdelhak Boulaalam and
  • El Habib Nfaoui

25 March 2025

The rapid expansion of IoT devices has introduced major challenges in ensuring data interoperability, enabling real-time processing, and achieving scalability, especially in decentralized edge computing environments. In this paper, an advanced framew...

  • Article
  • Open Access
177 Views
23 Pages

8 January 2026

Federated learning with data free knowledge distillation enables effective and privacy-preserving knowledge aggregation by employing generators to produce local pseudo samples during client-side model migration. However, in practical applications, da...

  • Article
  • Open Access
5 Citations
1,602 Views
24 Pages

Federated learning (FL) has emerged as a transformative framework for collaborative learning, offering robust model training across institutions while ensuring data privacy. In the context of making a COVID-19 diagnosis using lung imaging, FL enables...

  • Feature Paper
  • Article
  • Open Access
1,949 Views
24 Pages

Data-Bound Adaptive Federated Learning: FedAdaDB

  • Fotios Zantalis and
  • Grigorios Koulouras

24 June 2025

Federated Learning (FL) enables decentralized Machine Learning (ML), focusing on preserving data privacy, but faces a unique set of optimization challenges, such as dealing with non-IID data, communication overhead, and client drift. Adaptive optimiz...

  • Article
  • Open Access
1,218 Views
22 Pages

24 May 2025

In the Internet of Things (IoT), data distribution among diverse terminals exhibits substantial statistical heterogeneity. This imbalance can lead to skewness and accuracy degradation, ultimately affecting the generalization ability and robustness of...

  • Article
  • Open Access
4 Citations
3,548 Views
22 Pages

20 May 2023

Considering the sensitivity of data in medical scenarios, federated learning (FL) is suitable for applications that require data privacy. Medical personnel can use the FL framework for machine learning to assist in analyzing large-scale data that are...

  • Article
  • Open Access
590 Views
27 Pages

11 December 2025

The rapid expansion of the Internet of Things (IoT) across domains such as industrial automation, smart healthcare, and intelligent transportation has intensified security challenges, particularly in terms of detecting anomalies across large-scale, h...

  • Article
  • Open Access
1,009 Views
16 Pages

2 May 2025

Federated Learning (FL) presents a promising approach for collaborative intrusion detection while preserving data privacy. However, current FL frameworks face challenges with non-independent and identically distributed (non-IID) data and class imbala...

  • Article
  • Open Access
1 Citations
2,038 Views
14 Pages

15 November 2024

With the increasing complexity of neural network models, the huge communication overhead in federated learning (FL) has become a significant issue. To mitigate resource consumption, incorporating pruning algorithms into federated learning has emerged...

  • Article
  • Open Access
3 Citations
2,063 Views
20 Pages

16 September 2024

Federated Learning (FL) is an emerging privacy-preserving technology that enables training a global model beneficial to all participants without sharing their data. However, differences in data distributions among participants may undermine the stabi...

  • Article
  • Open Access
730 Views
38 Pages

FedResilience: A Federated Classification System to Ensure Critical LTE Communications During Natural Disasters

  • Alvaro Acuña-Avila,
  • Christian Fernández-Campusano,
  • Héctor Kaschel and
  • Raúl Carrasco

2 October 2025

Natural disasters can disrupt communication services, leading to severe consequences in emergencies. Maintaining connectivity and communication quality during crises is crucial for coordinating rescues, providing critical information, and ensuring re...

  • Article
  • Open Access
1,049 Views
24 Pages

14 October 2025

The rapid growth of Internet of Medical Things (IoMT) devices offers promising avenues for real-time, personalized healthcare while also introducing critical challenges related to data privacy, device heterogeneity, and deployment scalability. This p...

  • Article
  • Open Access
12 Citations
4,435 Views
23 Pages

28 October 2022

Federated learning is a type of privacy-preserving, collaborative machine learning. Instead of sharing raw data, the federated learning process cooperatively exchanges the model parameters and aggregates them in a decentralized manner through multipl...

  • Systematic Review
  • Open Access
2,885 Views
41 Pages

17 November 2025

Federated Learning (FL) is revolutionizing Machine Learning (ML) by enabling devices in different locations to collaborate and learn from user-generated data without centralizing it. In dynamic and non-stationary environments like Internet of Things...

  • Review
  • Open Access
812 Views
24 Pages

Federated Learning for Environmental Monitoring: A Review of Applications, Challenges, and Future Directions

  • Tymoteusz Miller,
  • Irmina Durlik,
  • Ewelina Kostecka and
  • Arkadiusz Puszkarek

29 November 2025

Federated learning (FL) is emerging as a pivotal paradigm for environmental monitoring, enabling decentralized model training across edge devices without exposing raw data. This review provides the first structured synthesis of 361 peer-reviewed stud...

  • Systematic Review
  • Open Access
530 Views
26 Pages

Federated Learning for Histopathology Image Classification: A Systematic Review

  • Meriem Touhami,
  • Mohammad Faizal Ahmad Fauzi,
  • Zaka Ur Rehman and
  • Sarina Mansor

Background/Objective: The integration of machine learning (ML) and deep learning (DL) has significantly enhanced medical image classification, especially in histopathology, by improving diagnostic accuracy and aiding clinical decision making. However...

  • Article
  • Open Access
4 Citations
3,025 Views
16 Pages

Federated learning (FL) is widely regarded as highly promising because it enables the collaborative training of high-performance machine learning models among a large number of clients while preserving data privacy by keeping the data local. However,...

  • Article
  • Open Access
2 Citations
2,073 Views
18 Pages

As network technology advances, there is an increasing need for a trusted new-generation information management system. Blockchain technology provides a decentralized, transparent, and tamper-proof foundation. Meanwhile, data islands have become a si...

  • Article
  • Open Access
894 Views
15 Pages

Federated learning (FL) provides a privacy-preserving approach for training machine learning models across distributed datasets; however, its deployment in environmental monitoring remains underexplored. This paper uses the WHIN dataset, comprising 1...

  • Article
  • Open Access
114 Views
24 Pages

15 January 2026

Security requirements play a critical role in ensuring the trustworthiness and resilience of software systems; however, their automatic classification remains challenging due to limited labeled data, confidentiality constraints, and the heterogeneous...

  • Article
  • Open Access
908 Views
50 Pages

FedEHD: Entropic High-Order Descent for Robust Federated Multi-Source Environmental Monitoring

  • Koffka Khan,
  • Winston Elibox,
  • Treina Dinoo Ramlochan,
  • Wayne Rajkumar and
  • Shanta Ramnath

14 November 2025

We propose Federated Entropic High-Order Descent (FedEHD), a drop-in client optimizer that augments local SGD with (i) an entropy (sign) term and (ii) quadratic and cubic gradient components for drift control and implicit clipping. Across non-IID CIF...

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