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Related papers: PCT-TEE: Trajectory-based Private Contact Tracing …

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Trajectory data has the potential to greatly benefit a wide-range of real-world applications, such as tracking the spread of the disease through people's movement patterns and providing personalized location-based services based on travel…

Databases · Computer Science 2023-10-16 Yuntao Du , Yujia Hu , Zhikun Zhang , Ziquan Fang , Lu Chen , Baihua Zheng , Yunjun Gao

Trusted Execution Environments (TEEs) protect confidentiality and integrity of trusted applications by creating an isolated environment for executing code. Prior work has shown that users may feel more comfortable sharing data when they…

Human-Computer Interaction · Computer Science 2026-05-27 McKenna McCall , Carolina Carreira , Miguel Flores , Lorrie Faith Cranor

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

As an essential technology underpinning trusted computing, the trusted execution environment (TEE) allows one to launch computation tasks on both on- and off-premises data while assuring confidentiality and integrity. This article provides…

Cryptography and Security · Computer Science 2023-02-24 Xiaoguo Li , Bowen Zhao , Guomin Yang , Tao Xiang , Jian Weng , Robert H. Deng

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…

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 adoption of digital contact tracing (DCT) technology during the COVID-19pandemic has shown multiple benefits, including helping to slow the spread of infectious disease and to improve the dissemination of accurate information. However,…

Cryptography and Security · Computer Science 2020-09-29 Ananya Gangavarapu , Ellie Daw , Abhishek Singh , Rohan Iyer , Gabriel Harp , Sam Zimmerman , Ramesh Raskar

Contact tracing is an effective tool in controlling the spread of infectious diseases such as COVID-19. It involves digital monitoring and recording of physical proximity between people over time with a central and trusted authority, so…

Cryptography and Security · Computer Science 2023-03-13 Craig Gotsman , Kai Hormann

Tracking a target person from robot-egocentric views is crucial for developing autonomous robots that provide continuous personalized assistance or collaboration in Human-Robot Interaction (HRI) and Embodied AI. However, most existing…

Robotics · Computer Science 2025-07-10 Hanjing Ye , Yu Zhan , Weixi Situ , Guangcheng Chen , Jingwen Yu , Ziqi Zhao , Kuanqi Cai , Arash Ajoudani , Hong Zhang

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…

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

Large-scale systems that compute analytics over a fleet of devices must achieve high privacy and security standards while also meeting data quality, usability, and resource efficiency expectations. We present a next-generation federated…

The coronavirus disease 2019 (COVID-19) pandemic has caused an unprecedented health crisis for the global. Digital contact tracing, as a transmission intervention measure, has shown its effectiveness on pandemic control. Despite intensive…

Social and Information Networks · Computer Science 2021-01-26 Zhe Peng , Jinbin Huang , Haixin Wang , Shihao Wang , Xiaowen Chu , Xinzhi Zhang , Li Chen , Xin Huang , Xiaoyi Fu , Yike Guo , Jianliang Xu

Controlling the spread of infectious diseases, such as the ongoing SARS-CoV-2 pandemic, is one of the most challenging problems for human civilization. The world is more populous and connected than ever before, and therefore, the rate of…

Cryptography and Security · Computer Science 2022-01-31 Shamiul Alam , Md Shafayat Hossain , Ahmedullah Aziz

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

Contact tracing has emerged as one of the main mitigation strategies to prevent the spread of pandemics such as COVID-19. Recently, several efforts have been initiated to track individuals, their movements, and interactions using…

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…

We propose the \emph{Target Charging Technique} (TCT), a unified privacy analysis framework for interactive settings where a sensitive dataset is accessed multiple times using differentially private algorithms. Unlike traditional…

Data Structures and Algorithms · Computer Science 2023-04-13 Edith Cohen , Xin Lyu

With the increasing popularity of Internet of Things (IoT) devices, security concerns have become a major challenge: confidential information is constantly being transmitted (sometimes inadvertently) from user devices to untrusted cloud…

Cryptography and Security · Computer Science 2023-05-05 Peterson Yuhala

Trusted Execution Environments (TEEs) protect sensitive code and data from the operating system, hypervisor, or other untrusted software. Different solutions exist, each proposing different features. Abstraction layers aim to unify the…

Cryptography and Security · Computer Science 2025-12-29 Quentin Michaud , Sara Ramezanian , Dhouha Ayed , Olivier Levillain , Joaquin Garcia-Alfaro