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People increasingly share personal information, including their photos and photo collections, on social media. This information, however, can compromise individual privacy, particularly as social media platforms use it to infer detailed…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Jinghan Yang , Ayan Chakrabarti , Yevgeniy Vorobeychik

Secure aggregation is a popular protocol in privacy-preserving federated learning, which allows model aggregation without revealing the individual models in the clear. On the other hand, conventional secure aggregation protocols incur a…

机器学习 · 计算机科学 2021-12-28 Irem Ergun , Hasin Us Sami , Basak Guler

In recent years, the amount of information collected about human beings has increased dramatically. This development has been partially driven by individuals posting and storing data about themselves and friends using online social networks…

计算机与社会 · 计算机科学 2014-03-24 Arkadiusz Stopczynski , Riccardo Pietri , Alex Pentland , David Lazer , Sune Lehmann

Many popular applications use traces of user data to offer various services to their users. However, even if user data is anonymized and obfuscated, a user's privacy can be compromised through the use of statistical matching techniques that…

信息论 · 计算机科学 2018-06-29 Nazanin Takbiri , Amir Houmansadr , Dennis L. Goeckel , Hossein Pishro-Nik

Researchers face the trade-off between publishing mobility data along with their papers while simultaneously protecting the privacy of the individuals. In addition to the fundamental anonymization process, other techniques, such as spatial…

社会与信息网络 · 计算机科学 2024-07-26 Gergő Pintér

The success of applications for sharing GPS trajectories raises serious privacy concerns, in particular about users' home addresses. In this paper we show that a Bayesian approach is natural and effective for a rigorous analysis of…

应用统计 · 统计学 2019-05-15 Sirio Legramanti

With the increasing popularity of GPS-enabled hand-held devices, location-based applications and services have access to accurate and real-time location information, raising serious privacy concerns for their millions of users. Trying to…

密码学与安全 · 计算机科学 2014-06-17 Konstantinos Chatzikokolakis , Catuscia Palamidessi , Marco Stronati

Preserving the individuals' privacy in sharing spatial-temporal datasets is critical to prevent re-identification attacks based on unique trajectories. Existing privacy techniques tend to propose ideal privacy-utility tradeoffs, however,…

机器学习 · 计算机科学 2023-04-14 Yuting Zhan , Hamed Haddadi , Afra Mashhadi

As digital technology advances, the proliferation of connected devices poses significant challenges and opportunities in mobile crowdsourcing and edge computing. This narrative review focuses on the need for privacy protection in these…

密码学与安全 · 计算机科学 2024-10-29 Syed Raza Bashir , Shaina Raza , Vojislav Misic

In the evolving landscape of data privacy, the anonymization of electric load profiles has become a critical issue, especially with the enforcement of the General Data Protection Regulation (GDPR) in Europe. These electric load profiles,…

密码学与安全 · 计算机科学 2025-01-14 Joaquin Delgado Fernandez , Sergio Potenciano Menci , Alessio Magitteri

In recent years, crowd analysis is important for applications such as smart cities, intelligent transportation system, customer behavior prediction, and visual surveillance. Understanding the characteristics of the individual motion in a…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Wenxi Liu , Yuanlong Yu , Chun-Yang Zhang , Genggeng Liu , Naixue Xiong

Ranking aggregation is commonly adopted in cooperative decision-making to assist in combining multiple rankings into a single representative. To protect the actual ranking of each individual, some privacy-preserving strategies, such as…

密码学与安全 · 计算机科学 2022-02-08 Baobao Song , Qiujun Lan , Yang Li , Gang Li

With the popularization of different kinds of smart terminals and the development of autonomous driving technology, more and more services based on spatio-temporal data have emerged in our lives, such as online taxi services, traffic flow…

密码学与安全 · 计算机科学 2023-10-10 Zechen Liu , Wei Song , Yuhan Wang

Recent research in the social sciences has identified situations in which small changes in the way that information is provided to consumers can have large aggregate effects on behavior. This has been promoted in popular media in areas of…

计算机科学与博弈论 · 计算机科学 2022-07-06 Philip N. Brown

Voting plays a central role in bringing crowd wisdom to collective decision making, meanwhile data privacy has been a common ethical/legal issue in eliciting preferences from individuals. This work studies the problem of aggregating…

密码学与安全 · 计算机科学 2019-08-15 Shaowei Wang , Jiachun Du , Wei Yang , Xinrong Diao , Zichun Liu , Yiwen Nie , Liusheng Huang , Hongli Xu

High-latency anonymous communication systems prevent passive eavesdroppers from inferring communicating partners with certainty. However, disclosure attacks allow an adversary to recover users' behavioral profiles when communications are…

密码学与安全 · 计算机科学 2019-10-23 Simon Oya , Carmela Troncoso , Fernando Pérez-González

Mobile location-based services (LBSs) empowered by mobile crowdsourcing provide users with context-aware intelligent services based on user locations. As smartphones are capable of collecting and disseminating massive user location-embedded…

网络与互联网体系结构 · 计算机科学 2018-08-06 Fang-Jing Wu , Matthias R. Brust , Yan-Ann Chen , Tie Luo

We consider the problem of predicting cellular network performance (signal maps) from measurements collected by several mobile devices. We formulate the problem within the online federated learning framework: (i) federated learning (FL)…

机器学习 · 计算机科学 2024-01-09 Evita Bakopoulou , Mengwei Yang , Jiang Zhang , Konstantinos Psounis , Athina Markopoulou

In this paper, we present a multidimensional, highly effective method for aggregating data for wireless sensor networks while maintaining privacy. The suggested system is resistant to data loss and secure against both active and passive…

密码学与安全 · 计算机科学 2024-04-01 Ayush Rastogi , Harsh Rastogi , Yash Rastogi , Divyansh Dubey

Ensuring travelers' safety on roads has become a research challenge in recent years. We introduce a novel safe route planning problem and develop an efficient solution to ensure the travelers' safety on roads. Though few research attempts…

数据库 · 计算机科学 2022-09-13 Fariha Tabassum Islam , Tanzima Hashem , Rifat Shahriyar