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Machine Learning on Big Data gets more and more attention in various fields. Even so privacy-preserving techniques become more important, even necessary due to legal regulations such as the General Data Protection Regulation (GDPR). On the…

密码学与安全 · 计算机科学 2022-01-28 Jasmin Zalonis , Frederik Armknecht , Björn Grohmann , Manuel Koch

Face recognition service has been used in many fields and brings much convenience to people. However, once the user's facial data is transmitted to a service provider, the user will lose control of his/her private data. In recent years,…

密码学与安全 · 计算机科学 2023-11-14 Yuwen Pu , Jiahao Chen , Jiayu Pan , Hao li , Diqun Yan , Xuhong Zhang , Shouling Ji

With the increasing demands for privacy protection, privacy-preserving machine learning has been drawing much attention in both academia and industry. However, most existing methods have their limitations in practical applications. On the…

机器学习 · 计算机科学 2022-02-22 Fei Zheng , Chaochao Chen , Xiaolin Zheng , Mingjie Zhu

Contextual bandit algorithms~(CBAs) often rely on personal data to provide recommendations. Centralized CBA agents utilize potentially sensitive data from recent interactions to provide personalization to end-users. Keeping the sensitive…

机器学习 · 计算机科学 2020-03-12 Mohammad Malekzadeh , Dimitrios Athanasakis , Hamed Haddadi , Benjamin Livshits

In the era of cloud computing and data-driven applications, it is crucial to protect sensitive information to maintain data privacy, ensuring truly reliable systems. As a result, preserving privacy in deep learning systems has become a…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Fabian Perez , Jhon Lopez , Henry Arguello

Privacy preservation is an important issue in today's context of extreme penetration of internet and mobile technologies. It is more important in the case of Wireless Sensor Networks (WSNs) where collected data often requires in-network…

密码学与安全 · 计算机科学 2016-11-17 Arijit Ukil

We investigate the problem of privacy preserving distributed matrix multiplication in edge networks using multi-party computation (MPC). Coded multi-party computation (CMPC) is an emerging approach to reduce the required number of workers…

信息论 · 计算机科学 2022-03-16 Elahe Vedadi , Yasaman Keshtkarjahromi , Hulya Seferoglu

Reversible data hiding in encrypted images is an effective technology for data hiding and protecting image privacy. Although there are many high-capacity methods have been presented in recent year, most of them need a pre-processing phase…

密码学与安全 · 计算机科学 2021-12-21 Lin Chen , Jianzhu Lu , Junguang Huang , Huiping Hu , Jiali Peng

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…

密码学与安全 · 计算机科学 2024-04-26 Zahir Alsulaimawi

With the arrival of modern internet era, large public networks of various types have come to existence to benefit the society as a whole and several research areas such as sociology, economics and geography in particular. However, the…

计算复杂性 · 计算机科学 2016-07-07 Tanima Chatterjee , Bhaskar DasGupta , Nasim Mobasheri , Venkatkumar Srinivasan , Ismael G. Yero

Several anonymization techniques, such as generalization and bucketization, have been designed for privacy preserving microdata publishing. Recent work has shown that generalization loses considerable amount of information, especially for…

数据库 · 计算机科学 2009-09-15 Tiancheng Li , Ninghui Li , Jian Zhang , Ian Molloy

The exponential growth of collected, processed, and shared microdata has given rise to concerns about individuals' privacy. As a result, laws and regulations have emerged to control what organisations do with microdata and how they protect…

密码学与安全 · 计算机科学 2022-01-21 Tânia Carvalho , Nuno Moniz , Pedro Faria , Luís Antunes

We propose the Consensus-Based Privacy-Preserving Data Distribution (CPPDD) framework, a lightweight and post-setup autonomous protocol for secure multi-client data aggregation. The framework enforces unanimous-release confidentiality…

密码学与安全 · 计算机科学 2026-05-21 Prajwal Panth , Sahaj Raj Malla

This paper describes privacy-preserving approaches for the statistical analysis. It describes motivations for privacy-preserving approaches for the statistical analysis of sensitive data, presents examples of use cases where such methods…

Distributed aggregative optimization underpins many cooperative optimization and multi-agent control systems, where each agent's objective function depends both on its local optimization variable and an aggregate of all agents' optimization…

系统与控制 · 电气工程与系统科学 2026-03-30 Ziqin Chen , Yongqiang Wang

Although machine learning (ML) is widely used for predictive tasks, there are important scenarios in which ML cannot be used or at least cannot achieve its full potential. A major barrier to adoption is the sensitive nature of predictive…

密码学与安全 · 计算机科学 2020-11-25 Xianrui Meng , Joan Feigenbaum

Distributed computing frameworks such as MapReduce have become essential for large-scale data processing by decomposing tasks across multiple nodes. The multi-access distributed computing (MADC) model further advances this paradigm by…

分布式、并行与集群计算 · 计算机科学 2026-02-10 Shanuja Sasi

Personalized recommendations form an important part of today's internet ecosystem, helping artists and creators to reach interested users, and helping users to discover new and engaging content. However, many users today are skeptical of…

密码学与安全 · 计算机科学 2024-01-09 Allegra Laro , Yanqing Chen , Hao He , Babak Aghazadeh

Scientific collaborations benefit from collaborative learning of distributed sources, but remain difficult to achieve when data are sensitive. In recent years, privacy preserving techniques have been widely studied to analyze distributed…

密码学与安全 · 计算机科学 2022-06-30 Guanhong Miao , A. Adam Ding , Samuel S. Wu

We investigate the distributed online nonconvex optimization problem with differential privacy over time-varying networks. Each node minimizes the sum of several nonconvex functions while preserving the node's differential privacy. We…

系统与控制 · 电气工程与系统科学 2025-01-09 Yingjie Zhou , Tao Li