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Federated learning promises to make machine learning feasible on distributed, private datasets by implementing gradient descent using secure aggregation methods. The idea is to compute a global weight update without revealing the…

Machine Learning · Computer Science 2019-12-03 Badih Ghazi , Rasmus Pagh , Ameya Velingker

Today, tracking and controlling the spread of a virus is a crucial need for almost all countries. Doing this early would save millions of lives and help countries keep a stable economy. The easiest way to control the spread of a virus is to…

Cryptography and Security · Computer Science 2020-10-26 Didem Demirag , Erman Ayday

Data synthesis is a promising solution to share data for various downstream analytic tasks without exposing raw data. However, without a theoretical privacy guarantee, a synthetic dataset would still leak some sensitive information.…

Data Structures and Algorithms · Computer Science 2024-06-28 Fangyuan Zhao , Zitao Li , Xuebin Ren , Bolin Ding , Shusen Yang , Yaliang Li

Privacy protection in medical data is a legitimate obstacle for centralized machine learning applications. Here, we propose a client-server image segmentation system which allows for the analysis of multi-centric medical images while…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Bach Kim , Jose Dolz , Pierre-Marc Jodoin , Christian Desrosiers

Learning a privacy-preserving model from sensitive data which are distributed across multiple devices is an increasingly important problem. The problem is often formulated in the federated learning context, with the aim of learning a single…

Machine Learning · Computer Science 2023-04-20 Mikko A. Heikkilä , Matthew Ashman , Siddharth Swaroop , Richard E. Turner , Antti Honkela

Hospitals and health care organizations collect large amounts of detailed health care data that is in high demand by researchers. Thus, the possessors of such data are in need of methods that allow for this data to be released without…

Computers and Society · Computer Science 2015-05-27 William Lee Croft , Wei Shi , Jorg-Rudiger Sack , Jean-Pierre Corriveau

Everyday, large amounts of sensitive data is distributed across mobile phones, wearable devices, and other sensors. Traditionally, these enormous datasets have been processed on a single system, with complex models being trained to make…

Machine Learning · Computer Science 2023-01-10 Zongshun Zhang , Andrea Pinto , Valeria Turina , Flavio Esposito , Ibrahim Matta

Data perturbation-based privacy-preserving methods have been widely adopted in various scenarios due to their efficiency and the elimination of the need for a trusted third party. However, these methods primarily focus on individual…

Cryptography and Security · Computer Science 2025-07-24 Hao Jiang , Quan Zhou , Dongdong Zhao , Shangshang Yang , Wenjian Luo , Xingyi Zhang

Data imputation is an important data preparation task where the data analyst replaces missing or erroneous values to increase the expected accuracy of downstream analyses. The accuracy improvement of data imputation extends to private data…

Cryptography and Security · Computer Science 2025-11-27 Abdelkarim Kati , Florian Kerschbaum , Marina Blanton

We systematically investigate the preservation of differential privacy in functional data analysis, beginning with functional mean estimation and extending to varying coefficient model estimation. Our work introduces a distributed learning…

Statistics Theory · Mathematics 2026-02-11 Gengyu Xue , Zhenhua Lin , Yi Yu

Differentially Private Synthetic Data Generation (DP-SDG) is a key enabler of private and secure tabular-data sharing, producing artificial data that carries through the underlying statistical properties of the input data. This typically…

Machine Learning · Computer Science 2025-04-16 Samuel Maddock , Shripad Gade , Graham Cormode , Will Bullock

The massive deployment of Machine Learning (ML) models raises serious concerns about data protection. Privacy-enhancing technologies (PETs) offer a promising first step, but hard challenges persist in achieving confidentiality and…

Cryptography and Security · Computer Science 2024-07-01 Maurizio Colombo , Rasool Asal , Ernesto Damiani , Lamees Mahmoud AlQassem , Al Anoud Almemari , Yousof Alhammadi

Cloud computing enables users to process and store data remotely on high-performance computers and servers by sharing data over the Internet. However, transferring data to clouds causes unavoidable privacy concerns. Here, we present a…

Cryptography and Security · Computer Science 2024-08-12 Haleh Hayati , Nathan van de Wouw , Carlos Murguia

Sharing medical datasets between hospitals is challenging because of the privacy-protection problem and the massive cost of transmitting and storing many high-resolution medical images. However, dataset distillation can synthesize a small…

Cryptography and Security · Computer Science 2022-12-27 Guang Li , Ren Togo , Takahiro Ogawa , Miki Haseyama

There is an increasing demand to make data "open" to third parties, as data sharing has great benefits in data-driven decision making. However, with a wide variety of sensitive data collected, protecting privacy of individuals, communities…

Cryptography and Security · Computer Science 2017-07-19 David B. Smith , Kanchana Thilakarathna , Mohamed Ali Kaafar

When training a machine learning model, it is standard procedure for the researcher to have full knowledge of both the data and model. However, this engenders a lack of trust between data owners and data scientists. Data owners are…

Cryptography and Security · Computer Science 2020-09-24 Will Abramson , Adam James Hall , Pavlos Papadopoulos , Nikolaos Pitropakis , William J Buchanan

The labor-intensive nature of medical data annotation presents a significant challenge for respiratory disease diagnosis, resulting in a scarcity of high-quality labeled datasets in resource-constrained settings. Moreover, patient privacy…

Machine Learning · Computer Science 2025-07-14 Ming Wang , Zhaoyang Duan , Dong Xue , Fangzhou Liu , Zhongheng Zhang

Privacy-preserving distributed processing has received considerable attention recently. The main purpose of these algorithms is to solve certain signal processing tasks over a network in a decentralised fashion without revealing…

Signal Processing · Electrical Eng. & Systems 2023-12-14 Sebastian O. Jordan , Qiongxiu Li , Richard Heusdens

The Web is a ubiquitous economic, educational, and collaborative space. However, it also serves as a haven for personal information harvesting. Existing decentralised Web-based ecosystems, such as Solid, aim to combat personal data…

Databases · Computer Science 2020-08-17 Ruben Taelman , Simon Steyskal , Sabrina Kirrane

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. Despite the sensitivity of the data involved, the development…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Wenrui Yu , Qiongxiu Li , Richard Heusdens , Sokol Kosta
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