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Contact-tracing apps have potential benefits in helping health authorities to act swiftly to halt the spread of COVID-19. However, their effectiveness is heavily dependent on their installation rate, which may be influenced by people's…

Human-Computer Interaction · Computer Science 2020-05-26 Tianshi Li , Jackie , Yang , Cori Faklaris , Jennifer King , Yuvraj Agarwal , Laura Dabbish , Jason I. Hong

Contact tracing is a method used by public health organisations to try prevent the spread of infectious diseases in the community. Traditionally performed by manual contact tracers, more recently the use of apps have been considered…

Machine Learning · Computer Science 2022-03-10 Badrinath Singhal , Chris Vorster , Di Meng , Gargi Gupta , Laura Dunne , Mark Germaine

The coronavirus (COVID-19) has appeared as the greatest challenge due to its continuous structural evolution as well as the absence of proper antidotes for this particular virus. The virus mainly spreads and replicates itself among mass…

Computers and Society · Computer Science 2020-07-07 Md. Tanvir Rahman , Risala T. Khan , Muhammad R. A. Khandaker , Md. Sifat Ar Salan

The COVID-19 pandemic is imposing enormous global challenges in managing the spread of the virus. A key pillar to mitigation is contact tracing, which complements testing and isolation. Digital apps for contact tracing using Bluetooth…

The currently deployed contact-tracing mobile apps have failed as an efficient solution in the context of the COVID-19 pandemic. None of them has managed to attract the number of active users required to achieve an efficient operation. This…

Social and Information Networks · Computer Science 2022-03-29 José González-Cabañas , Ángel Cuevas , Rubén Cuevas , Martin Maier

The COVID19 pandemic created a worldwide emergency as it is estimated that such a large number of infections are due to human-to-human transmission of the COVID19. As a necessity, there is a need to track users who came in contact with…

Human-Computer Interaction · Computer Science 2021-06-01 Chandresh Kumar Maurya , Seemandhar Jain , Vishal Thakre

This paper discusses the aspects of data reliability and user privacy for the emerging practice of mobile phone based contact tracing for the COVID-19 pandemic. Various countries and large technology companies have already used or plan to…

Cryptography and Security · Computer Science 2020-06-02 Georgios Magklaras , Lucia Nikolaia Lopez Bojorquez

The COVID-19 pandemic has posed a unique challenge for the world to find solutions, ranging from vaccines to ICT solutions to slow down the virus spreading. Due to the highly contagious nature of the virus, social distancing is one…

Cryptography and Security · Computer Science 2020-04-28 Qiang Tang

COVID-19 is a severe global epidemic in human history. Even though there are particular medications and vaccines to curb the epidemic, tracing and isolating the infection source is the best option to slow the virus spread and reduce…

Cryptography and Security · Computer Science 2022-02-03 Jinyue Song , Tianbo Gu , Zheng Fang , Xiaotao Feng , Yunjie Ge , Hao Fu , Pengfei Hu , Prasant Mohapatra

The 2020 COVID-19 pandemic has led to a global lockdown with severe health and economical consequences. As a result, authorities around the globe have expressed their needs for better tools to monitor the spread of the virus and to support…

Cryptography and Security · Computer Science 2020-07-07 Franck Legendre , Mathias Humbert , Alain Mermoud , Vincent Lenders

There is growing interest in technology-enabled contact tracing, the process of identifying potentially infected COVID-19 patients by notifying all recent contacts of an infected person. Governments, technology companies, and research…

Cryptography and Security · Computer Science 2020-12-18 Lucy Simko , Ryan Calo , Franziska Roesner , Tadayoshi Kohno

Recently, as a consequence of the COVID-19 pandemic, dependence on Contact Tracing (CT) models has significantly increased to prevent spread of this highly contagious virus and be prepared for the potential future ones. Since the spreading…

Cryptography and Security · Computer Science 2021-08-19 Mohammad Salimibeni , Zohreh Hajiakhondi-Meybodi , Arash Mohammadi , Yingxu Wang

Contact tracing is one of the most important control measures deployed during epidemics. Relying on the identification of contacts of known infected individuals, it necessitates a network perspective. Although pairwise models have been used…

Physics and Society · Physics 2026-03-05 Giulia de Meijere , Andrea Pugliese , Gerardo Iñiguez , Péter L. Simon , István Z. Kiss

COVID-19 remains a challenging global threat with ongoing waves of infections and clinical disease which have resulted millions of deaths and an enormous strain on health systems worldwide. Effective vaccines have been developed for the…

Contact tracing is an important method to control the spread of an infectious disease such as COVID-19. However, existing contact tracing methods alone cannot provide sufficient coverage and do not successfully address privacy concerns of…

Cryptography and Security · Computer Science 2020-07-07 Xiaoyuan Liu , Ni Trieu , Evgenios M. Kornaropoulos , Dawn Song

A known drawback of `decentralised' contact tracing architectures is that users who have been in contact with an infected person are able to precisely identify the relevant contact, and thereby perhaps identify the infected person. In their…

Cryptography and Security · Computer Science 2020-07-03 David Mestel

This document describes and analyzes a system for secure and privacy-preserving proximity tracing at large scale. This system, referred to as DP3T, provides a technological foundation to help slow the spread of SARS-CoV-2 by simplifying and…

Cross-device tracking has drawn growing attention from both commercial companies and the general public because of its privacy implications and applications for user profiling, personalized services, etc. One particular, wide-used type of…

Cryptography and Security · Computer Science 2022-03-15 Binghui Wang , Tianchen Zhou , Song Li , Yinzhi Cao , Neil Zhenqiang Gong

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

Contact tracing has historically been used to retard the spread of infectious diseases, but if it is exercised by hand in large-scale, it is known to be a resource-intensive and quite deficient process. Nowadays, digital contact tracing has…

Cryptography and Security · Computer Science 2021-05-24 Vasileios Kouliaridis , Georgios Kambourakis , Efstratios Chatzoglou , Dimitrios Geneiatakis , Hua Wang