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Related papers: PrivyTRAC: Privacy and Security Preserving Contact…

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Smartphone-based contact-tracing apps are a promising solution to help scale up the conventional contact-tracing process. However, low adoption rates have become a major issue that prevents these apps from achieving their full potential. In…

Human-Computer Interaction · Computer Science 2021-05-12 Tianshi Li , Camille Cobb , Jackie , Yang , Sagar Baviskar , Yuvraj Agarwal , Beibei Li , Lujo Bauer , Jason I. Hong

In this paper, we propose a new privacy-preserving, automated contact tracing system, ACOUSTIC-TURF, to fight COVID-19 using acoustic signals sent from ubiquitous mobile devices. At a high level, ACOUSTIC-TURF adaptively broadcasts…

Cryptography and Security · Computer Science 2020-06-25 Yuxiang Luo , Cheng Zhang , Yunqi Zhang , Chaoshun Zuo , Dong Xuan , Zhiqiang Lin , Adam C. Champion , Ness Shroff

This work is inspired by the outbreak of COVID-19, and some of the challenges we have observed with gathering data about the disease. To this end, we aim to help collect data about citizens and the disease without risking the privacy of…

Cryptography and Security · Computer Science 2020-05-01 Katrine Tjell , Jaron Skovsted Gundersen , Rafael Wisniewski

Since the outbreak of the novel coronavirus, COVID-19, there has been increased interest in the use of digital contact tracing as a means of stopping chains of viral transmission, provoking alarm from privacy advocates. Concerning the…

Computers and Society · Computer Science 2021-03-22 Benjamin Levy , Matthew Stewart

The present paper addresses the task of reliably identifying critical contacts by using COVID-19 tracing apps. A reliable classification is crucial to ensure a high level of protection, and at the same time to prevent many people from being…

Signal Processing · Electrical Eng. & Systems 2020-08-12 Christoph Günther , Daniel Günther

Many proximity-based mobile social networks are developed to facilitate connections between any two people, or to help a user to find people with matched profile within a certain distance. A challenging task in these applications is to…

Social and Information Networks · Computer Science 2012-08-01 Lan Zhang , Xiang-Yang Li

Covid-19 is primarily spread through contact with the virus which may survive on surfaces with lifespan of more than hours. To curb its spread, it is hence of vital importance to detect and quarantine those who have been in contact with the…

Cryptography and Security · Computer Science 2021-01-28 Guanyao Li , Siyan Hu , Shuhan Zhong , Wai Lun Tsui , S. -H. Gary Chan

Contact tracing apps have become one of the main approaches to control and slow down the spread of COVID-19 and ease up lockdown measures. While these apps can be very effective in stopping the transmission chain and saving lives, their…

Cryptography and Security · Computer Science 2020-11-26 Dana Naous , Manus Bonner , Mathias Humbert , Christine Legner

Existing Bluetooth-based Private Contact Tracing (PCT) systems can privately detect whether people have come into direct contact with COVID-19 patients. However, we find that the existing systems lack functionality and flexibility, which…

Cryptography and Security · Computer Science 2022-01-03 Fumiyuki Kato , Yang Cao , Masatoshi Yoshikawa

Protecting personal information privacy has become a controversial issue among online social network providers and users. Most social network providers have developed several techniques to decrease threats and risks to the users privacy.…

Social and Information Networks · Computer Science 2013-05-14 Nahier Aldhafferi , Charles Watson , A. S. M Sajeev

Protecting location privacy in mobile services has recently received significant consideration as Location-Based Service (LBS) can reveal user locations to attackers. A problem in the existing cloaking schemes is that location…

Cryptography and Security · Computer Science 2017-09-13 Hiep H. Nguyen

In this demonstration, we present a privacy-preserving epidemic surveillance system. Recently, many countries that suffer from coronavirus crises attempt to access citizen's location data to eliminate the outbreak. However, it raises…

Databases · Computer Science 2020-06-09 Yang Cao , Shun Takagi , Yonghui Xiao , Li Xiong , Masatoshi Yoshikawa

Point-of-Interest (POI) recommendation has been extensively studied and successfully applied in industry recently. However, most existing approaches build centralized models on the basis of collecting users' data. Both private data and…

Cryptography and Security · Computer Science 2020-04-28 Chaochao Chen , Jun Zhou , Bingzhe Wu , Wenjin Fang , Li Wang , Yuan Qi , Xiaolin Zheng

Contact tracing is of paramount importance when it comes to preventing the spreading of infectious diseases. Contact tracing is usually performed manually by authorized personnel. Manual contact tracing is an inefficient, error-prone,…

Machine Learning · Computer Science 2021-12-22 Pai Chet Ng , Petros Spachos , Konstantinos Plataniotis

Sensors embedded in mobile smart devices can monitor users' activity with high accuracy to provide a variety of services to end-users ranging from precise geolocation, health monitoring, and handwritten word recognition. However, this…

Cryptography and Security · Computer Science 2022-05-16 Rahat Masood , Wing Yan Cheng , Dinusha Vatsalan , Deepak Mishra , Hassan Jameel Asghar , Mohamed Ali Kaafar

Wireless Contact tracing has emerged as an important tool for managing the COVID19 pandemic and relies on continuous broadcasting of a person's presence using Bluetooth Low Energy beacons. The limitation of current contact tracing systems…

Cryptography and Security · Computer Science 2021-08-16 Vladimir Dyo , Jahangir Ali

Monitoring location updates from mobile users has important applications in many areas, ranging from public safety and national security to social networks and advertising. However, sensitive information can be derived from movement…

Cryptography and Security · Computer Science 2020-08-31 Gabriel Ghinita , Kien Nguyen , Mihai Maruseac , Cyrus Shahabi

Online tracking is a widespread practice on the web with questionable ethics, security, and privacy concerns. While web tracking can offer personalized and curated content to Internet users, it operates as a sophisticated surveillance…

Cryptography and Security · Computer Science 2025-01-07 Seyed Ali Akhavani , Engin Kirda , Amin Kharraz

Sequential data is everywhere, and it can serve as a basis for research that will lead to improved processes. For example, road infrastructure can be improved by identifying bottlenecks in GPS data, or early diagnosis can be improved by…

Cryptography and Security · Computer Science 2020-02-25 Sigal Shaked , Lior Rokach

The coronavirus pandemic is a new reality and it severely affects the modus vivendi of the international community. In this context, governments are rushing to devise or embrace novel surveillance mechanisms and monitoring systems to fight…

Cryptography and Security · Computer Science 2020-09-18 Tania Martin , Georgios Karopoulos , José L. Hernández-Ramos , Georgios Kambourakis , Igor Nai Fovino
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