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As we transition into the era of B5G/6G networks, the promise of seamless, high-speed connectivity brings unprecedented opportunities and challenges. Among the most critical concerns is the preservation of location privacy, given the…

Networking and Internet Architecture · Computer Science 2024-06-04 Hannah B. Pasandi , Faith Parastar

The emergence of social and technological networks has enabled rapid sharing of data and information. This has resulted in significant privacy concerns where private information can be either leaked or inferred from public data. The problem…

Data Structures and Algorithms · Computer Science 2015-11-20 Fragkiskos Koufogiannis , George Pappas

Most existing image privacy protection works focus mainly on the privacy of photo owners and their friends, but lack the consideration of other people who are in the background of the photos and the related location privacy issues. In fact,…

Social and Information Networks · Computer Science 2021-03-22 Joshua Morris , Sara Newman , Kannappan Palaniappan , Jianping Fan , Dan Lin

Location-based queries enable fundamental services for mobile road network travelers. While the benefits of location-based services (LBS) are numerous, exposure of mobile travelers' location information to untrusted LBS providers may lead…

Cryptography and Security · Computer Science 2019-07-17 Emre Yigitoglu , Mehmet Emre Gursoy , Ling Liu

Searching for available parking spaces is a major problem for drivers especially in big crowded cities, causing traffic congestion and air pollution, and wasting drivers' time. Smart parking systems are a novel solution to enable drivers to…

Cryptography and Security · Computer Science 2021-01-28 Wesam Al Amiri , Mohamed Baza , Karim Banawan , Mohamed Mahmoud , Waleed Alasmary , Kemal Akkaya

We present the design, implementation and evaluation of a system, called MATRIX, developed to protect the privacy of mobile device users from location inference and sensor side-channel attacks. MATRIX gives users control and visibility over…

Cryptography and Security · Computer Science 2018-08-15 Sashank Narain , Guevara Noubir

Centralized social networks have experienced a transformative impact on our digital era communication, connection, and information-sharing information. However, it has also raised significant concerns regarding users' privacy and individual…

Cryptography and Security · Computer Science 2024-09-30 Quang Cao , Katerina Vgena , Aikaterini-Georgia Mavroeidi , Christos Kalloniatis , Xun Yi , Son Hoang Dau

The growing popularity of location-based systems, allowing unknown/untrusted servers to easily collect huge amounts of information regarding users' location, has recently started raising serious privacy concerns. In this paper we study…

Cryptography and Security · Computer Science 2014-02-21 Miguel E. Andrés , Nicolás E. Bordenabe , Konstantinos Chatzikokolakis , Catuscia Palamidessi

As sensors become ever more prevalent, more and more information will be collected about each of us. A longterm research question is how best to support beneficial uses while preserving individual privacy. Presence systems are an emerging…

Cryptography and Security · Computer Science 2011-05-04 Eleanor Rieffel , Jacob Biehl , William van Melle , Adam J. Lee

In recent decades, the emergence of social networks has enabled internet service providers (e.g., Facebook, Twitter and Uber) to achieve great commercial success. Link prediction is recognized as a common practice to build the topology of…

Social and Information Networks · Computer Science 2022-12-14 Song Mei , Cong Zhen

This paper offers a new privacy approach for the growing ecosystem of services -- ranging from open banking to healthcare -- dependent on sensitive personal data sharing between individuals and third parties. While these services offer…

Cryptography and Security · Computer Science 2025-03-26 Kevin Liao , Shreya Thipireddy , Daniel Weitzner

Overnight, Apple has turned its hundreds-of-million-device ecosystem into the world's largest crowd-sourced location tracking network called offline finding (OF). OF leverages online finder devices to detect the presence of missing offline…

Cryptography and Security · Computer Science 2021-03-04 Alexander Heinrich , Milan Stute , Tim Kornhuber , Matthias Hollick

Successful containment of the Coronavirus pandemic rests on the ability to quickly and reliably identify those who have been in close proximity to a contagious individual. Existing tools for doing so rely on the collection of exact location…

Computers and Society · Computer Science 2020-04-07 Ran Canetti , Ari Trachtenberg , Mayank Varia

Camouflaging data by generating fake information is a well-known obfuscation technique for protecting data privacy. In this paper, we focus on a very sensitive and increasingly exposed type of data: location data. There are two main…

Cryptography and Security · Computer Science 2015-05-29 Vincent Bindschaedler , Reza Shokri

News reports of the last few years indicated that several intelligence agencies are able to monitor large networks or entire portions of the Internet backbone. Such a powerful adversary has only recently been considered by the academic…

Cryptography and Security · Computer Science 2015-09-07 Giuseppe Ateniese , Briland Hitaj , Luigi V. Mancini , Nino V. Verde , Antonio Villani

Sharing trajectories is beneficial for many real-world applications, such as managing disease spread through contact tracing and tailoring public services to a population's travel patterns. However, public concern over privacy and data…

Databases · Computer Science 2021-08-23 Teddy Cunningham , Graham Cormode , Hakan Ferhatosmanoglu , Divesh Srivastava

The number of people on social networks has grown exponentially. Users share very large volumes of personal informations and content every days. This content could be tagged with geo-spatial and temporal coordinates that may be considered…

Social and Information Networks · Computer Science 2012-04-02 Matteo Camilli

Consensus is fundamental for distributed systems since it underpins key functionalities of such systems ranging from distributed information fusion, decision-making, to decentralized control. In order to reach an agreement, existing…

Optimization and Control · Mathematics 2018-12-27 Minghao Ruan , Huan Gao , Yongqiang Wang

Location-based services are getting more popular day by day. Finding nearby stores, proximity-based marketing, on-road service assistance, etc., are some of the services that use location-based services. In location-based services, user…

Cryptography and Security · Computer Science 2022-11-22 Santosh Kumar Upadhyaya , Srinivas Vivek

Location-based services (LBSs) have become widely popular. Despite their utility, these services raise concerns for privacy since they require sharing location information with untrusted third parties. In this work, we study privacy-utility…

Information Theory · Computer Science 2019-10-07 Ecenaz Erdemir , Pier Luigi Dragotti , Deniz Gunduz