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In this paper we present the Privacy Dashboard -- a tool designed to inform and empower the people using mobile devices, by introducing features such as Remote Privacy Protection, Backup, Adjustable Location Accuracy, Permission Control and…

密码学与安全 · 计算机科学 2015-06-15 Marta Piekarska , Yun Zhou , Dominik Strohmeier , Alexander Raake

Many machine learning applications are based on data collected from people, such as their tastes and behaviour as well as biological traits and genetic data. Regardless of how important the application might be, one has to make sure…

机器学习 · 统计学 2017-04-11 Joonas Jälkö , Onur Dikmen , Antti Honkela

In the face of increasingly severe privacy threats in the era of data and AI, the US Census Bureau has recently adopted differential privacy, the de facto standard of privacy protection for the 2020 Census release. Enforcing differential…

计算机与社会 · 计算机科学 2023-05-16 Keyu Zhu , Nabeel Gillani , Pascal Van Hentenryck

The rapid expansion of Internet of Things (IoT) devices in smart homes has significantly improved the quality of life, offering enhanced convenience, automation, and energy efficiency. However, this proliferation of connected devices raises…

密码学与安全 · 计算机科学 2023-08-08 Nazar Waheed , Fazlullah Khan , Spyridon Mastorakis , Mian Ahmad Jan , Abeer Z. Alalmaie , Priyadarsi Nanda

Decentralized optimization is gaining increased traction due to its widespread applications in large-scale machine learning and multi-agent systems. The same mechanism that enables its success, i.e., information sharing among participating…

最优化与控制 · 数学 2024-02-07 Yongqiang Wang , Angelia Nedic

With the recent surge of social networks like Facebook, new forms of recommendations have become possible -- personalized recommendations of ads, content, and even new social and product connections based on one's social interactions. In…

数据结构与算法 · 计算机科学 2015-03-17 Ashwin Machanavajjhala , Aleksandra Korolova , Atish Das Sarma

Differential privacy is becoming one gold standard for protecting the privacy of publicly shared data. It has been widely used in social science, data science, public health, information technology, and the U.S. decennial census.…

密码学与安全 · 计算机科学 2022-06-07 Xuan Bi , Xiaotong Shen

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'…

Among existing privacy-preserving approaches, Differential Privacy (DP) is a powerful tool that can provide privacy-preserving noisy query answers over statistical databases and has been widely adopted in many practical fields. In…

密码学与安全 · 计算机科学 2018-04-10 Hui Cao , Shubo Liu , Zhitao Guan , Longfei Wu , Haonan Deng , Xiaojiang Du

We consider a platform's problem of collecting data from privacy sensitive users to estimate an underlying parameter of interest. We formulate this question as a Bayesian-optimal mechanism design problem, in which an individual can share…

计算机科学与博弈论 · 计算机科学 2023-09-07 Alireza Fallah , Ali Makhdoumi , Azarakhsh Malekian , Asuman Ozdaglar

In this article, we seek to elucidate challenges and opportunities for differential privacy within the federal government setting, as seen by a team of differential privacy researchers, privacy lawyers, and data scientists working closely…

密码学与安全 · 计算机科学 2024-10-23 Amol Khanna , Adam McCormick , Andre Nguyen , Chris Aguirre , Edward Raff

The need for a privacy management layer in today's systems started to manifest with the emergence of new systems for privacy-preserving analytics and privacy compliance. As a result, many independent efforts have emerged that try to provide…

密码学与安全 · 计算机科学 2023-12-13 Nicolas Küchler , Emanuel Opel , Hidde Lycklama , Alexander Viand , Anwar Hithnawi

Organizations with a large user base, such as Samsung and Google, can potentially benefit from collecting and mining users' data. However, doing so raises privacy concerns, and risks accidental privacy breaches with serious consequences.…

数据库 · 计算机科学 2016-06-17 Thông T. Nguyên , Xiaokui Xiao , Yin Yang , Siu Cheung Hui , Hyejin Shin , Junbum Shin

High quality data is needed to unlock the full potential of AI for end users. However finding new sources of such data is getting harder: most publicly-available human generated data will soon have been used. Additionally, publicly…

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

Previous works in the differential privacy literature that allow users to choose their privacy levels typically operate under the heterogeneous differential privacy (HDP) framework with the simplifying assumption that user data and privacy…

密码学与安全 · 计算机科学 2025-09-04 Syomantak Chaudhuri , Thomas A. Courtade

When applying differential privacy to sensitive data, we can often improve performance using external information such as other sensitive data, public data, or human priors. We propose to use the learning-augmented algorithms (or algorithms…

密码学与安全 · 计算机科学 2023-05-09 Mikhail Khodak , Kareem Amin , Travis Dick , Sergei Vassilvitskii

Deployment of deep learning in different fields and industries is growing day by day due to its performance, which relies on the availability of data and compute. Data is often crowd-sourced and contains sensitive information about its…

机器学习 · 计算机科学 2020-10-06 Tom Farrand , Fatemehsadat Mireshghallah , Sahib Singh , Andrew Trask

Collaborative filtering-based recommender systems leverage vast amounts of behavioral user data, which poses severe privacy risks. Thus, often, random noise is added to the data to ensure Differential Privacy (DP). However, to date, it is…

信息检索 · 计算机科学 2024-01-17 Peter Müllner , Elisabeth Lex , Markus Schedl , Dominik Kowald

Probabilistic matrix factorization (PMF) plays a crucial role in recommendation systems. It requires a large amount of user data (such as user shopping records and movie ratings) to predict personal preferences, and thereby provides users…

密码学与安全 · 计算机科学 2018-10-22 Shun Zhang , Laixiang Liu , Zhili Chen , Hong Zhong