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This paper presents a privacy-preserving protocol for identity registration and information sharing in federated authentication systems. The goal is to enable Identity Providers (IdPs) to detect duplicate or fraudulent identity enrollments…

Cryptography and Security · Computer Science 2025-12-02 Francesco Buccafurri , Carmen Licciardi

We develop a privatised stochastic variational inference method for Latent Dirichlet Allocation (LDA). The iterative nature of stochastic variational inference presents challenges: multiple iterations are required to obtain accurate…

Machine Learning · Statistics 2018-12-05 Mijung Park , James Foulds , Kamalika Chaudhuri , Max Welling

Differential privacy is a cryptographically-motivated approach to privacy that has become a very active field of research over the last decade in theoretical computer science and machine learning. In this paradigm one assumes there is a…

Machine Learning · Computer Science 2023-08-02 Marco Avella-Medina

We detail a new framework for privacy preserving deep learning and discuss its assets. The framework puts a premium on ownership and secure processing of data and introduces a valuable representation based on chains of commands and tensors.…

Machine Learning · Computer Science 2018-11-14 Theo Ryffel , Andrew Trask , Morten Dahl , Bobby Wagner , Jason Mancuso , Daniel Rueckert , Jonathan Passerat-Palmbach

Privacy-preserving data mining has become an important topic. People have built several multi-party-computation (MPC)-based frameworks to provide theoretically guaranteed privacy, the poor performance of real-world algorithms have always…

Cryptography and Security · Computer Science 2021-05-18 Xiaoyu Fan , Guosai Wang , Kun Chen , Xu He , Wei Xu

Sequential data is everywhere, and it can serve as a basis for research that will lead to improved processes. For example, road infrastructure can be improved by identifying bottlenecks in GPS data, or early diagnosis can be improved by…

Cryptography and Security · Computer Science 2020-02-25 Sigal Shaked , Lior Rokach

With the proliferation of training data, distributed machine learning (DML) is becoming more competent for large-scale learning tasks. However, privacy concerns have to be given priority in DML, since training data may contain sensitive…

Machine Learning · Computer Science 2020-08-26 Xin Wang , Hideaki Ishii , Linkang Du , Peng Cheng , Jiming Chen

Spontaneous reporting systems (SRS) have been developed to collect adverse event records that contain personal demographics and sensitive information like drug indications and adverse reactions. The release of SRS data may disclose the…

Cryptography and Security · Computer Science 2022-11-22 Yi-Yuang Wu , Zhi-Xun Shen , Wen-Yang Lin

Privacy-preserving data analysis is emerging as a challenging problem with far-reaching impact. In particular, synthetic data are a promising concept toward solving the aporetic conflict between data privacy and data sharing. Yet, it is…

Cryptography and Security · Computer Science 2021-09-07 March Boedihardjo , Thomas Strohmer , Roman Vershynin

When analysing Differentially Private (DP) machine learning pipelines, the potential privacy cost of data-dependent pre-processing is frequently overlooked in privacy accounting. In this work, we propose a general framework to evaluate the…

Cryptography and Security · Computer Science 2024-06-24 Yaxi Hu , Amartya Sanyal , Bernhard Schölkopf

This study develops a novel framework for privacy-preserving data analytics, addressing the critical challenge of balancing data utility with privacy concerns. We introduce three sophisticated algorithms: a Noise-Infusion Technique tailored…

Cryptography and Security · Computer Science 2024-04-26 Zahir Alsulaimawi

Deep Neural Networks (DNNs) have achieved remarkable progress in various real-world applications, especially when abundant training data are provided. However, data isolation has become a serious problem currently. Existing works build…

Machine Learning · Computer Science 2022-02-22 Jun Zhou , Longfei Zheng , Chaochao Chen , Yan Wang , Xiaolin Zheng , Bingzhe Wu , Cen Chen , Li Wang , Jianwei Yin

Differential privacy (DP) auditing is essential for evaluating privacy guarantees in machine learning systems. Existing auditing methods, however, pose a significant challenge for large-scale systems since they require modifying the…

Machine Learning · Computer Science 2026-01-21 Iden Kalemaj , Luca Melis , Maxime Boucher , Ilya Mironov , Saeed Mahloujifar

We develop formal privacy mechanisms for releasing statistics from data with many outlying values, such as income data. These mechanisms ensure that a per-record differential privacy guarantee degrades slowly in the protected records'…

Cryptography and Security · Computer Science 2025-05-05 Brian Finley , Anthony M Caruso , Justin C Doty , Ashwin Machanavajjhala , Mikaela R Meyer , David Pujol , William Sexton , Zachary Terner

With powerful parallel computing GPUs and massive user data, neural-network-based deep learning can well exert its strong power in problem modeling and solving, and has archived great success in many applications such as image…

Cryptography and Security · Computer Science 2019-10-28 Lingchen Zhao , Qian Wang , Qin Zou , Yan Zhang , Yanjiao Chen

Differential privacy is a popular privacy model within the research community because of the strong privacy guarantee it offers, namely that the presence or absence of any individual in a data set does not significantly influence the…

Cryptography and Security · Computer Science 2017-02-09 Jordi Soria-Comas , Josep Domingo-Ferrer , David Sánchez , David Megías

The growing complexity of Deep Neural Networks (DNNs) has led to the adoption of Split Inference (SI), a collaborative paradigm that partitions computation between edge devices and the cloud to reduce latency and protect user privacy.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Yixiang Qiu , Yanhan Liu , Hongyao Yu , Hao Fang , Bin Chen , Shu-Tao Xia , Ke Xu

Publishing datasets plays an essential role in open data research and promoting transparency of government agencies. However, such data publication might reveal users' private information. One of the most sensitive sources of data is…

Machine Learning · Computer Science 2019-11-06 Sina Shaham , Ming Ding , Bo Liu , Shuping Dang , Zihuai Lin , Jun Li

In the recent time, the problem of protecting privacy in statistical data before they are published has become a pressing one. Many reliable studies have been accomplished, and loads of solutions have been proposed. Though, all these…

Cryptography and Security · Computer Science 2010-11-05 Oleg Chertov , Dan Tavrov

In this paper, we present a general multiparty modeling paradigm with Privacy Preserving Principal Component Analysis (PPPCA) for horizontally partitioned data. PPPCA can accomplish multiparty cooperative execution of PCA under the premise…

Cryptography and Security · Computer Science 2020-03-13 Yingting Liu , Chaochao Chen , Longfei Zheng , Li Wang , Jun Zhou , Guiquan Liu , Shuang Yang