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20202026
most citedPrivacy-Preserving Distributed Optimization via Subspace Perturbation: A General Framework

61 citations · 90 across the 13 of their papers we have counts for

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13 papers

eess.SP2026

When Is Distributed Nonlinear Aggregation Private? Optimality and Information-Theoretical Bounds

Wenrui Yu, Jaron Skovsted Gundersen, Richard Heusdens +1

Nonlinear aggregation is central to modern distributed systems, yet its privacy behavior is far less understood than that of linear aggregation. Unlike linear aggregation where mat…

eess.SP2025

Optimal Privacy-Preserving Distributed Median Consensus

Wenrui Yu, Qiongxiu Li, Richard Heusdens +1

Distributed median consensus has emerged as a critical paradigm in multi-agent systems due to the inherent robustness of the median against outliers and anomalies in measurement. D…

cs.DC2024

Privacy-Preserving Distributed Maximum Consensus Without Accuracy Loss

Wenrui Yu, Richard Heusdens, Jun Pang +1

In distributed networks, calculating the maximum element is a fundamental task in data analysis, known as the distributed maximum consensus problem. However, the sensitive nature o…

cs.LG2024

Provable Privacy Advantages of Decentralized Federated Learning via Distributed Optimization

Wenrui Yu, Qiongxiu Li, Milan Lopuhaä-Zwakenberg +2

Federated learning (FL) emerged as a paradigm designed to improve data privacy by enabling data to reside at its source, thus embedding privacy as a core consideration in FL archit…

eess.SP2023

Privacy-Preserving Distributed Optimisation using Stochastic PDMM

Sebastian O. Jordan, Qiongxiu Li, Richard Heusdens

Privacy-preserving distributed processing has received considerable attention recently. The main purpose of these algorithms is to solve certain signal processing tasks over a netw…

cs.CR2023

On the privacy of federated Clustering: A Cryptographic View

Qiongxiu Li, Lixia Luo

The privacy concern in federated clustering has attracted considerable attention in past decades. Many privacy-preserving clustering algorithms leverage cryptographic techniques li…

cs.DC2023

Topology-Dependent Privacy Bound For Decentralized Federated Learning

Qiongxiu Li, Wenrui Yu, Changlong Ji +1

Decentralized Federated Learning (FL) has attracted significant attention due to its enhanced robustness and scalability compared to its centralized counterpart. It pivots on peer-…

cs.CR2023★ 16 cited

Adaptive Differentially Quantized Subspace Perturbation (ADQSP): A Unified Framework for Privacy-Preserving Distributed Average Consensus

Qiongxiu Li, Jaron Skovsted Gundersen, Milan Lopuhaa-Zwakenberg +1

Privacy-preserving distributed average consensus has received significant attention recently due to its wide applicability. Based on the achieved performances, existing approaches…

cs.LG2022★ 10 cited

Privacy-Preserving Distributed Expectation Maximization for Gaussian Mixture Model using Subspace Perturbation

Qiongxiu Li, Jaron Skovsted Gundersen, Katrine Tjell +2

Privacy has become a major concern in machine learning. In fact, the federated learning is motivated by the privacy concern as it does not allow to transmit the private data but on…

cs.LG2022★ 1 cited

On the Privacy Effect of Data Enhancement via the Lens of Memorization

Xiao Li, Qiongxiu Li, Zhanhao Hu +1

Machine learning poses severe privacy concerns as it has been shown that the learned models can reveal sensitive information about their training data. Many works have investigated…

cs.DC2021★ 1 cited

Communication efficient privacy-preserving distributed optimization using adaptive differential quantization

Qiongxiu Li, Richard Heusdens, Mads Græsbøll Christensen

Privacy issues and communication cost are both major concerns in distributed optimization. There is often a trade-off between them because the encryption methods required for priva…

cs.CR2020★ 1 cited

Privacy-Preserving Distributed Processing: Metrics, Bounds, and Algorithms

Qiongxiu Li, Jaron Skovsted Gundersen, Richard Heusdens +1

Privacy-preserving distributed processing has recently attracted considerable attention. It aims to design solutions for conducting signal processing tasks over networks in a decen…

eess.SP2020★ 61 cited

Privacy-Preserving Distributed Optimization via Subspace Perturbation: A General Framework

Qiongxiu Li, Richard Heusdens, Mads Græsbøll Christensen

As the modern world becomes increasingly digitized and interconnected, distributed signal processing has proven to be effective in processing its large volume of data. However, a m…