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Local differential privacy (LDP) is a recently proposed privacy standard for collecting and analyzing data, which has been used, e.g., in the Chrome browser, iOS and macOS. In LDP, each user perturbs her information locally, and only sends…

密码学与安全 · 计算机科学 2019-07-02 Ning Wang , Xiaokui Xiao , Yin Yang , Jun Zhao , Siu Cheung Hui , Hyejin Shin , Junbum Shin , Ge Yu

Collecting and analyzing massive data generated from smart devices have become increasingly pervasive in crowdsensing, which are the building blocks for data-driven decision-making. However, extensive statistics and analysis of such data…

密码学与安全 · 计算机科学 2021-01-29 Teng Wang , Xuefeng Zhang , Jingyu Feng , Xinyu Yang

Local differential privacy (LDP) can provide each user with strong privacy guarantees under untrusted data curators while ensuring accurate statistics derived from privatized data. Due to its powerfulness, LDP has been widely adopted to…

密码学与安全 · 计算机科学 2019-06-06 Teng Wang , Jun Zhao , Xinyu Yang , Xuebin Ren

Protocols satisfying Local Differential Privacy (LDP) enable parties to collect aggregate information about a population while protecting each user's privacy, without relying on a trusted third party. LDP protocols (such as Google's RAPPOR)…

密码学与安全 · 计算机科学 2017-05-16 Tianhao Wang , Jeremiah Blocki , Ninghui Li , Somesh Jha

In the past decade analysis of big data has proven to be extremely valuable in many contexts. Local Differential Privacy (LDP) is a state-of-the-art approach which allows statistical computations while protecting each individual user's…

密码学与安全 · 计算机科学 2019-07-30 Björn Bebensee

Local Differential Privacy (LDP) is popularly used in practice for privacy-preserving data collection. Although existing LDP protocols offer high utility for large user populations (100,000 or more users), they perform poorly in scenarios…

密码学与安全 · 计算机科学 2019-10-22 Mehmet Emre Gursoy , Acar Tamersoy , Stacey Truex , Wenqi Wei , Ling Liu

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

In recent years, Local Differential Privacy (LDP), a robust privacy-preserving methodology, has gained widespread adoption in real-world applications. With LDP, users can perturb their data on their devices before sending it out for…

机器学习 · 计算机科学 2023-08-02 Héber H. Arcolezi , Karima Makhlouf , Catuscia Palamidessi

The introduction and advancements in Local Differential Privacy (LDP) variants have become a cornerstone in addressing the privacy concerns associated with the vast data produced by smart devices, which forms the foundation for data-driven…

密码学与安全 · 计算机科学 2023-09-13 Likun Qin , Nan Wang , Tianshuo Qiu

Local differential privacy (LDP) is increasingly employed in privacy-preserving machine learning to protect user data before sharing it with an untrusted aggregator. Most LDP methods assume that users possess only a single data record,…

机器学习 · 计算机科学 2025-05-05 Behnoosh Zamanlooy , Mario Diaz , Shahab Asoodeh

Local differential privacy (LPD) is a distributed variant of differential privacy (DP) in which the obfuscation of the sensitive information is done at the level of the individual records, and in general it is used to sanitize data that are…

密码学与安全 · 计算机科学 2018-05-04 Mário S. Alvim , Konstantinos Chatzikokolakis , Catuscia Palamidessi , Anna Pazii

With the fast development of Information Technology, a tremendous amount of data have been generated and collected for research and analysis purposes. As an increasing number of users are growing concerned about their personal information,…

密码学与安全 · 计算机科学 2020-08-11 Mengmeng Yang , Lingjuan Lyu , Jun Zhao , Tianqing Zhu , Kwok-Yan Lam

Recent smart grid advancements enable near-realtime reporting of electricity consumption, raising concerns about consumer privacy. Differential privacy (DP) has emerged as a viable privacy solution, where a calculated amount of noise is…

密码学与安全 · 计算机科学 2025-03-18 Khadija Hafeez , Mubashir Husain Rehmani , Sumita Mishra , Donna OShea

The collection and analysis of telemetry data from users' devices is routinely performed by many software companies. Telemetry collection leads to improved user experience but poses significant risks to users' privacy. Locally…

密码学与安全 · 计算机科学 2017-12-06 Bolin Ding , Janardhan Kulkarni , Sergey Yekhanin

The private collection of multiple statistics from a population is a fundamental statistical problem. One possible approach to realize this is to rely on the local model of differential privacy (LDP). Numerous LDP protocols have been…

密码学与安全 · 计算机科学 2023-08-02 Héber H. Arcolezi , Sébastien Gambs , Jean-François Couchot , Catuscia Palamidessi

Trajectory data collection is a common task with many applications in our daily lives. Analyzing trajectory data enables service providers to enhance their services, which ultimately benefits users. However, directly collecting trajectory…

数据库 · 计算机科学 2023-07-25 Yuemin Zhang , Qingqing Ye , Rui Chen , Haibo Hu , Qilong Han

When collecting information, local differential privacy (LDP) alleviates privacy concerns of users because their private information is randomized before being sent it to the central aggregator. LDP imposes large amount of noise as each…

密码学与安全 · 计算机科学 2020-08-04 Tianhao Wang , Bolin Ding , Min Xu , Zhicong Huang , Cheng Hong , Jingren Zhou , Ninghui Li , Somesh Jha

Collecting and analyzing evolving longitudinal data has become a common practice. One possible approach to protect the users' privacy in this context is to use local differential privacy (LDP) protocols, which ensure the privacy protection…

密码学与安全 · 计算机科学 2023-02-22 Héber H. Arcolezi , Carlos Pinzón , Catuscia Palamidessi , Sébastien Gambs

In recent years, local differential privacy (LDP) has emerged as a technique of choice for privacy-preserving data collection in several scenarios when the aggregator is not trustworthy. LDP provides client-side privacy by adding noise at…

机器学习 · 统计学 2021-10-28 Tejas Kulkarni , Joonas Jälkö , Samuel Kaski , Antti Honkela

There are now several large scale deployments of differential privacy used to collect statistical information about users. However, these deployments periodically recollect the data and recompute the statistics using algorithms designed for…

机器学习 · 计算机科学 2018-11-21 Matthew Joseph , Aaron Roth , Jonathan Ullman , Bo Waggoner
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