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Federated learning (FL) is a promising approach for training decentralized data located on local client devices while improving efficiency and privacy. However, the distribution and quantity of the training data on the clients' side may…

Machine Learning · Computer Science 2020-12-16 Lixu Wang , Shichao Xu , Xiao Wang , Qi Zhu

In recent years, Federated Unlearning (FU) has gained attention for addressing the removal of a client's influence from the global model in Federated Learning (FL) systems, thereby ensuring the ``right to be forgotten" (RTBF).…

Cryptography and Security · Computer Science 2024-04-16 Ziyao Liu , Huanyi Ye , Yu Jiang , Jiyuan Shen , Jiale Guo , Ivan Tjuawinata , Kwok-Yan Lam

This paper reports on findings from a comparative study on the effectiveness and efficiency of federated unlearning strategies within Federated Online Learning to Rank (FOLTR), with specific attention to systematically analysing the…

Information Retrieval · Computer Science 2025-05-20 Yiling Tao , Shuyi Wang , Jiaxi Yang , Guido Zuccon

Federated learning (FL) enables collaborative model training without centralizing raw data, but privacy regulations such as the right to be forgotten require FL systems to remove the influence of previously used training data upon request.…

Machine Learning · Computer Science 2026-02-02 Yue Li , Mingmin Chu , Xilei Yang , Da Xiao , Ziqi Xu , Wei Shao , Qipeng Song , Hui Li

Federated Learning (FL) is a privacy-preserving distributed learning approach that is rapidly developing in an era where privacy protection is increasingly valued. It is this rapid development trend, along with the continuous emergence of…

Machine Learning · Computer Science 2024-02-06 Lixu Wang , Yang Zhao , Jiahua Dong , Ating Yin , Qinbin Li , Xiao Wang , Dusit Niyato , Qi Zhu

Privacy concerns associated with machine learning models have driven research into machine unlearning, which aims to erase the memory of specific target training data from already trained models. This issue also arises in federated…

Machine Learning · Computer Science 2025-03-14 Yuyuan Li , Jiaming Zhang , Yixiu Liu , Chaochao Chen

Federated Learning has been introduced as a new machine learning paradigm enhancing the use of local devices. At a server level, FL regularly aggregates models learned locally on distributed clients to obtain a more general model. In this…

Machine Learning · Computer Science 2022-07-19 Anastasiia Usmanova , François Portet , Philippe Lalanda , German Vega

Nowadays, machine learning algorithms continue to grow in complexity and require a substantial amount of computational resources and energy. For these reasons, there is a growing awareness of the development of new green algorithms and…

The increasing demand for privacy-preserving collaborative learning has given rise to a new computing paradigm called federated learning (FL), in which clients collaboratively train a machine learning (ML) model without revealing their…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-31 Zhifeng Jiang , Wei Wang , Bo Li , Qiang Yang

Federated learning (FL) is a privacy-preserving machine learning method that has been proposed to allow training of models using data from many different clients, without these clients having to transfer all their data to a central server.…

Sound · Computer Science 2021-05-19 Marc C. Green , Mark D. Plumbley

Federated Learning (FL) is an approach to conduct machine learning without centralizing training data in a single place, for reasons of privacy, confidentiality or data volume. However, solving federated machine learning problems raises…

Federated learning (FL) is an emerging distributed machine learning paradigm that avoids data sharing among training nodes so as to protect data privacy. Under coordination of the FL server, each client conducts model training using its own…

Machine Learning · Computer Science 2021-01-01 Binbin Guo , Yuan Mei , Danyang Xiao , Weigang Wu , Ye Yin , Hongli Chang

Federated Learning (FL) is a privacy preserving machine learning scheme, where training happens with data federated across devices and not leaving them to sustain user privacy. This is ensured by making the untrained or partially trained…

Federated Learning (FL) has emerged as a significant paradigm for training machine learning models. This is due to its data-privacy-preserving property and its efficient exploitation of distributed computational resources. This is achieved…

Machine Learning · Computer Science 2025-01-22 Mustafa Ghaleb , Mohanad Obeed , Muhamad Felemban , Anas Chaaban , Halim Yanikomeroglu

Federated learning (FL) has emerged as a key paradigm for collaborative model training across multiple clients without sharing raw data, enabling privacy-preserving applications in areas such as radiology and pathology. However, works on…

Machine Learning · Computer Science 2025-10-31 Furkan Pala , Islem Rekik

Federated Learning (FL) is an evolving machine learning method in which multiple clients participate in collaborative learning without sharing their data with each other and the central server. In real-world applications such as hospitals…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Hussain Ahmad Madni , Rao Muhammad Umer , Gian Luca Foresti

In the era of advanced technologies, mobile devices are equipped with computing and sensing capabilities that gather excessive amounts of data. These amounts of data are suitable for training different learning models. Cooperated with…

Machine Learning · Computer Science 2020-04-07 Muhammad Asad , Ahmed Moustafa , Takayuki Ito , Muhammad Aslam

In recent years, data and computing resources are typically distributed in the devices of end users, various regions or organizations. Because of laws or regulations, the distributed data and computing resources cannot be directly shared…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-28 Ji Liu , Jizhou Huang , Yang Zhou , Xuhong Li , Shilei Ji , Haoyi Xiong , Dejing Dou

Federated Learning (FL), a privacy-preserving machine learning framework, faces significant data-related challenges. For example, the lack of suitable public datasets leads to ineffective information exchange, especially in heterogeneous…

Cryptography and Security · Computer Science 2025-04-22 Xi Li , Chen Wu , Jiaqi Wang

Federated learning (FL) allows mutually untrusted clients to collaboratively train a common machine learning model without sharing their private/proprietary training data among each other. FL is unfortunately susceptible to poisoning by…

Machine Learning · Computer Science 2022-08-18 Hamid Mozaffari , Virat Shejwalkar , Amir Houmansadr