English
Related papers

Related papers: Secure and Efficient Trajectory-Based Contact Trac…

200 papers

The pandemic in 2020 and 2021 had enormous economic and societal consequences, and studies show that contact tracing algorithms can be key in the early containment of the virus. While large strides have been made towards more effective…

Cryptography and Security · Computer Science 2024-02-16 Rob Romijnders , Christos Louizos , Yuki M. Asano , Max Welling

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…

As we enter the control phase of the COVID-19 pandemic, many efforts have been dedicated to developing smartphone-based contact tracing apps in order to automatically identify people that a person with COVID-19 might have infected. These…

Computers and Society · Computer Science 2020-04-17 Kristof Roomp , Nuria Oliver

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

Pandemic and epidemic diseases such as CoVID-19, SARS-CoV2, and Ebola have spread to multiple countries and infected thousands of people. Such diseases spread mainly through person-to-person contacts. Health care authorities recommend…

Cryptography and Security · Computer Science 2020-04-14 Arvin Hekmati , Gowri Ramachandran , Bhaskar Krishnamachari

The coronavirus disease 2019 (COVID-19) is a severe global pandemic that has claimed millions of lives and continues to overwhelm public health systems in many countries. The spread of COVID-19 pandemic has negatively impacted the human…

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

In order to contain the COVID-19 pandemic, several countries enforced extended social distancing measures for several weeks, effectively pausing the majority of economic activities. In an effort to resume economic activity safely, several…

Computers and Society · Computer Science 2020-05-27 Constantinos Marios Angelopoulos , Amalia Damianou , Vasilios Katos

Real-time object tracking necessitates a delicate balance between speed and accuracy, a challenge exacerbated by the computational demands of deep learning methods. In this paper, we propose Confidence-Triggered Detection (CTD), an…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Zhicheng Ding , Zhixin Lai , Siyang Li , Panfeng Li , Qikai Yang , Edward Wong

Pandemics often cause dramatic losses of human lives and impact our societies in many aspects such as public health, tourism, and economy. To contain the spread of an epidemic like COVID-19, efficient and effective contact tracing is…

Databases · Computer Science 2023-04-24 Tiantian Liu , Huan Li , Hua Lu , Muhammad Aamir Cheema , Harry Kai-Ho Chan

Processing sensitive data, such as those produced by body sensors, on third-party untrusted clouds is particularly challenging without compromising the privacy of the users generating it. Typically, these sensors generate large quantities…

Cryptography and Security · Computer Science 2019-06-18 Carlos Segarra , Ricard Delgado-Gonzalo , Mathieu Lemay , Pierre-Louis Aublin , Peter Pietzuch , Valerio Schiavoni

Smart contracts are crucial elements of decentralized technologies, but they face significant obstacles to trustworthiness due to security bugs and trapdoors. To address the core issue, we propose a technology that enables programmers to…

Cryptography and Security · Computer Science 2023-04-19 Nikolaj Bjørner , Shuo Chen , Yang Chen , Zhongxin Guo , Peng Liu , Nanqing Luo

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…

There is growing use of 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 groups…

Computers and Society · Computer Science 2020-12-18 Lucy Simko , Jack Lucas Chang , Maggie Jiang , Ryan Calo , Franziska Roesner , Tadayoshi Kohno

Trajectory collection is essential for location-based services, yet it can reveal highly sensitive information about users, such as daily routines and activities, raising serious privacy concerns. Local Differential Privacy (LDP) offers…

Cryptography and Security · Computer Science 2026-03-03 Ye Zheng , Yidan Hu

We outline a contact-tracing strategy based on proximity sensing using mobile devices. We discuss what an ideal system should look like and what it can do. We show that, when adopted sufficiently broadly, such a contact-tracing strategy can…

Computers and Society · Computer Science 2020-04-28 Ye Xia , Gwendolyn Lee

We propose PrYVeCT, a private-yet-verifiable contact tracing system. PrYVeCT works also as an authorization framework allowing for the definition of fine-grained policies, which a certain facility can define and apply to better model its…

Cryptography and Security · Computer Science 2020-10-20 Andrea Canidio , Gabriele Costa , Letterio Galletta

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

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

Coronavirus disease 2019, i.e. COVID-19 has imposed the public health measure of keeping social distancing for preventing mass transmission of COVID-19. For monitoring the social distancing and keeping the trace of transmission, we are…