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Strict privacy is of paramount importance in distributed machine learning. Federated learning, with the main idea of communicating only what is needed for learning, has been recently introduced as a general approach for distributed learning…

Cryptography and Security · Computer Science 2020-07-14 Mikko A. Heikkilä , Antti Koskela , Kana Shimizu , Samuel Kaski , Antti Honkela

Fine-tuning large language models (LLMs) with local data is a widely adopted approach for organizations seeking to adapt LLMs to their specific domains. Given the shared characteristics in data across different organizations, the idea of…

Machine Learning · Computer Science 2025-09-26 Wenkai Guo , Xuefeng Liu , Haolin Wang , Jianwei Niu , Shaojie Tang , Jing Yuan

Federated learning (FL) that enables edge devices to collaboratively learn a shared model while keeping their training data locally has received great attention recently and can protect privacy in comparison with the traditional centralized…

Machine Learning · Computer Science 2022-11-17 Rui Hu , Yanmin Gong , Yuanxiong Guo

The utilisation of large and diverse datasets for machine learning (ML) at scale is required to promote scientific insight into many meaningful problems. However, due to data governance regulations such as GDPR as well as ethical concerns,…

Machine Learning · Computer Science 2021-12-22 Dmitrii Usynin , Alexander Ziller , Daniel Rueckert , Jonathan Passerat-Palmbach , Georgios Kaissis

Federated learning (FL) is an emerging paradigm that allows a central server to train machine learning models using remote users' data. Despite its growing popularity, FL faces challenges in preserving the privacy of local datasets, its…

Cryptography and Security · Computer Science 2025-05-09 Natalie Lang , Nir Shlezinger , Rafael G. L. D'Oliveira , Salim El Rouayheb

Increasing privacy concerns and unrestricted access to data lead to the development of a novel machine learning paradigm called Federated Learning (FL). FL borrows many of the ideas from distributed machine learning, however, the challenges…

Machine Learning · Computer Science 2025-01-08 Karthik Mohan

Federated learning (FL) is a collaborative learning paradigm for decentralized private data from mobile terminals (MTs). However, it suffers from issues in terms of communication, resource of MTs, and privacy. Existing privacy-preserving FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-03 Yifan Shi , Kang Wei , Li Shen , Jun Li , Xueqian Wang , Bo Yuan , Song Guo

With an increasing number of smart devices like internet of things (IoT) devices deployed in the field, offloadingtraining of neural networks (NNs) to a central server becomes more and more infeasible. Recent efforts toimprove users'…

Machine Learning · Computer Science 2023-07-19 Kilian Pfeiffer , Martin Rapp , Ramin Khalili , Jörg Henkel

Real-world data is usually segmented by attributes and distributed across different parties. Federated learning empowers collaborative training without exposing local data or models. As we demonstrate through designed attacks, even with a…

Machine Learning · Computer Science 2021-04-30 Shuang Zhang , Liyao Xiang , Xi Yu , Pengzhi Chu , Yingqi Chen , Chen Cen , Li Wang

Federated Learning (FL) is a novel distributed machine learning approach to leverage data from Internet of Things (IoT) devices while maintaining data privacy. However, the current FL algorithms face the challenges of non-independent and…

Machine Learning · Computer Science 2023-12-20 Gang Hu , Yinglei Teng , Nan Wang , F. Richard Yu

Federated learning (FL) is a distributed machine learning (ML) framework where multiple clients collaborate to train a model without exposing their private data. FL involves cycles of local computations and bi-directional communications…

Cryptography and Security · Computer Science 2023-08-22 Xiangjian Hou , Sarit Khirirat , Mohammad Yaqub , Samuel Horvath

Data normalization is a crucial preprocessing step for enhancing model performance and training stability. In federated learning (FL), where data remains distributed across multiple parties during collaborative model training, normalization…

Cryptography and Security · Computer Science 2025-11-17 Melih Coşğun , Mert Gençtürk , Sinem Sav

In federated learning (FL), balancing privacy protection, learning quality, and efficiency remains a challenge. Privacy protection mechanisms, such as Differential Privacy (DP), degrade learning quality, or, as in the case of Homomorphic…

Machine Learning · Computer Science 2026-03-06 Yenan Wang , Carla Fabiana Chiasserini , Elad Michael Schiller

Federated Learning (FL) is a distributed machine learning technique that allows model training among multiple devices or organizations by sharing training parameters instead of raw data. However, adversaries can still infer individual…

Machine Learning · Computer Science 2024-05-27 Xinpeng Ling , Jie Fu , Kuncan Wang , Haitao Liu , Zhili Chen

While federated learning (FL) eliminates the transmission of raw data over a network, it is still vulnerable to privacy breaches from the communicated model parameters. Differential privacy (DP) is often employed to address such issues.…

Networking and Internet Architecture · Computer Science 2025-12-03 Evan Chen , Frank Po-Chen Lin , Dong-Jun Han , Christopher G. Brinton

Due to medical data privacy regulations, it is often infeasible to collect and share patient data in a centralised data lake. This poses challenges for training machine learning algorithms, such as deep convolutional networks, which often…

Computer Vision and Pattern Recognition · Computer Science 2019-10-03 Wenqi Li , Fausto Milletarì , Daguang Xu , Nicola Rieke , Jonny Hancox , Wentao Zhu , Maximilian Baust , Yan Cheng , Sébastien Ourselin , M. Jorge Cardoso , Andrew Feng

Recent advances in electronic devices and communication infrastructure have revolutionized the traditional healthcare system into a smart healthcare system by using IoMT devices. However, due to the centralized training approach of…

Systems and Control · Electrical Eng. & Systems 2022-03-21 Mansoor Ali , Faisal Naeem , Muhammad Tariq , Geroges Kaddoum

Federated learning (FL) has recently gained significant momentum due to its potential to leverage large-scale distributed user data while preserving user privacy. However, the typical paradigm of FL faces challenges of both privacy and…

Cryptography and Security · Computer Science 2025-05-29 Sizai Hou , Songze Li , Tayyebeh Jahani-Nezhad , Giuseppe Caire

As data are increasingly being stored in different silos and societies becoming more aware of data privacy issues, the traditional centralized training of artificial intelligence (AI) models is facing efficiency and privacy challenges.…

Cryptography and Security · Computer Science 2022-01-20 Lingjuan Lyu , Han Yu , Xingjun Ma , Chen Chen , Lichao Sun , Jun Zhao , Qiang Yang , Philip S. Yu

Federated learning with differential privacy, or private federated learning, provides a strategy to train machine learning models while respecting users' privacy. However, differential privacy can disproportionately degrade the performance…

Machine Learning · Computer Science 2022-04-18 Borja Rodríguez-Gálvez , Filip Granqvist , Rogier van Dalen , Matt Seigel