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Related papers: Sparsified Secure Aggregation for Privacy-Preservi…

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Federated Learning allows multiple parties to jointly train a deep learning model on their combined data, without any of the participants having to reveal their local data to a centralized server. This form of privacy-preserving…

Machine Learning · Computer Science 2019-03-08 Felix Sattler , Simon Wiedemann , Klaus-Robert Müller , Wojciech Samek

Over the recent years, with the increasing adoption of Federated Learning (FL) algorithms and growing concerns over personal data privacy, Privacy-Preserving Federated Learning (PPFL) has attracted tremendous attention from both academia…

Cryptography and Security · Computer Science 2022-07-14 Ziyao Liu , Jiale Guo , Wenzhuo Yang , Jiani Fan , Kwok-Yan Lam , Jun Zhao

Hierarchical federated learning (HFL) has emerged as an effective paradigm to enhance link quality between clients and the server. However, ensuring model accuracy while preserving privacy under unreliable communication remains a key…

Machine Learning · Computer Science 2026-01-27 Shudi Weng , Ming Xiao , Mikael Skoglund

Decentralized learning (DL) offers a novel paradigm in machine learning by distributing training across clients without central aggregation, enhancing scalability and efficiency. However, DL's peer-to-peer model raises challenges in…

Cryptography and Security · Computer Science 2024-04-30 Ali Reza Ghavamipour , Benjamin Zi Hao Zhao , Fatih Turkmen

With the emergence of privacy leaks in federated learning, secure aggregation protocols that mainly adopt either homomorphic encryption or threshold secret sharing have been widely developed for federated learning to protect the privacy of…

Cryptography and Security · Computer Science 2024-06-03 Xue Yang , Zifeng Liu , Xiaohu Tang , Rongxing Lu , Bo Liu

Graph sparsification is a powerful tool to approximate an arbitrary graph and has been used in machine learning over homogeneous graphs. In heterogeneous graphs such as knowledge graphs, however, sparsification has not been systematically…

Machine Learning · Computer Science 2022-11-15 Chandan Chunduru , Chun Jiang Zhu , Blake Gains , Jinbo Bi

Train machine learning models on sensitive user data has raised increasing privacy concerns in many areas. Federated learning is a popular approach for privacy protection that collects the local gradient information instead of real data.…

Cryptography and Security · Computer Science 2021-05-24 Lichao Sun , Jianwei Qian , Xun Chen

Asynchronous federated learning (AFL) is an effective method to address the challenge of device heterogeneity in cross-device federated learning. However, AFL is usually incompatible with existing secure aggregation protocols used to…

Cryptography and Security · Computer Science 2024-06-07 Kun Wang , Yi-Rui Yang , Wu-Jun Li

This work presents a new method for enhancing communication efficiency in stochastic Federated Learning that trains over-parameterized random networks. In this setting, a binary mask is optimized instead of the model weights, which are kept…

Machine Learning · Computer Science 2024-03-01 Mohamad Mestoukirdi , Omid Esrafilian , David Gesbert , Qianrui Li , Nicolas Gresset

Federated learning (FL) is a technique that trains machine learning models from decentralized data sources. We study FL under local notions of privacy constraints, which provides strong protection against sensitive data disclosures via…

Machine Learning · Computer Science 2022-06-23 Yan Feng , Tao Xiong , Ruofan Wu , LingJuan Lv , Leilei Shi

In federated learning, particularly in cross-device scenarios, secure aggregation has recently gained popularity as it effectively defends against inference attacks by malicious aggregators. However, secure aggregation often requires…

Cryptography and Security · Computer Science 2024-04-23 Xu Yang , Jiapeng Zhang , Qifeng Zhang , Zhuo Tang

Federated learning is a widely used distributed deep learning framework that protects the privacy of each client by exchanging model parameters rather than raw data. However, federated learning suffers from high communication costs, as a…

Machine Learning · Computer Science 2021-07-20 Guang Yang , Ke Mu , Chunhe Song , Zhijia Yang , Tierui Gong

Recently, Niu, et. al. introduced a new variant of Federated Learning (FL), called Federated Submodel Learning (FSL). Different from traditional FL, each client locally trains the submodel (e.g., retrieved from the servers) based on its…

Machine Learning · Computer Science 2021-11-03 Jamie Cui , Cen Chen , Tiandi Ye , Li Wang

Existing approaches in Federated Learning (FL) mainly focus on sending model parameters or gradients from clients to a server. However, these methods are plagued by significant inefficiency, privacy, and security concerns. Thanks to the…

Machine Learning · Computer Science 2024-06-04 Jie Zhang , Xiaohua Qi , Bo Zhao

Establishing how a set of learners can provide privacy-preserving federated learning in a fully decentralized (peer-to-peer, no coordinator) manner is an open problem. We propose the first privacy-preserving consensus-based algorithm for…

Cryptography and Security · Computer Science 2022-10-04 Yang Lu , Zhengxin Yu , Neeraj Suri

Ensuring resilience to Byzantine clients while maintaining the privacy of the clients' data is a fundamental challenge in federated learning (FL). When the clients' data is homogeneous, suitable countermeasures were studied from an…

Machine Learning · Computer Science 2025-06-12 Maximilian Egger , Rawad Bitar

We propose SwiftAgg+, a novel secure aggregation protocol for federated learning systems, where a central server aggregates local models of $N \in \mathbb{N}$ distributed users, each of size $L \in \mathbb{N}$, trained on their local data,…

Information Theory · Computer Science 2022-09-09 Tayyebeh Jahani-Nezhad , Mohammad Ali Maddah-Ali , Songze Li , Giuseppe Caire

The growing development of artificial intelligence based solutions, together with privacy legislation, has driven the rise of the so-called privacy preserving machine learning architectures, such as federated learning. While federated…

Cryptography and Security · Computer Science 2026-05-05 Judith Sáinz-Pardo Díaz , Álvaro López García

Federated learning is a distributed learning method to train a shared model by aggregating the locally-computed gradient updates. In federated learning, bandwidth and privacy are two main concerns of gradient updates transmission. This…

Machine Learning · Computer Science 2019-08-23 Hongyu Li , Tianqi Han

With the increasing adoption of data-hungry machine learning algorithms, personal data privacy has emerged as one of the key concerns that could hinder the success of digital transformation. As such, Privacy-Preserving Machine Learning…

Cryptography and Security · Computer Science 2022-04-22 Ziyao Liu , Jiale Guo , Kwok-Yan Lam , Jun Zhao