Related Experiment Video
Updated: Nov 21, 2025

Implementation of a Real-Time Psychosis Risk Detection and Alerting System Based on Electronic Health Records using CogStack
Published on: May 15, 2020
Digital Contact Tracing Based on a Graph Database Algorithm for Emergency Management During the COVID-19 Epidemic:
Zijun Mao1,2, Hong Yao1,2, Qi Zou1,2
1College of Public Administration, Huazhong University of Science and Technology, Wuhan, China.
Digital contact tracing in Hainan Province utilized a graph database algorithm to efficiently track COVID-19 contacts, identifying high-risk individuals and locations. This enhanced public health emergency response and epidemic control.
Area of Science:
- Public Health
- Epidemiology
- Data Science
Background:
- The COVID-19 pandemic necessitates effective contact tracing, but traditional methods face significant limitations.
- Digital technology offers a promising avenue for comprehensive, efficient, and precise contact tracing during public health emergencies.
Purpose of the Study:
- To introduce novel solutions for overcoming traditional contact tracing limitations.
- To detail the organizational and technical processes of digital contact tracing in Hainan Province.
Main Methods:
- Application of a graph database algorithm on a governmental big data platform for analyzing multisource COVID-19 data.
- Building relational networks among infected individuals, the general population, vehicles, and public places.
- Summarizing organizational and technical processes through interviews and data analysis.
Main Results:
- Established an integrated emergency management command system and multi-agency coordination.
- Utilized a centralized big data platform for multisource epidemic data management.
- Successfully identified and traced 10,871 contacts, including 378 close contacts and high-risk public places, using the graph database algorithm.
Conclusions:
- Hainan Province's digital contact tracing model, using a graph database algorithm, enables rapid and accurate identification of infected individuals and high-risk locations.
- This approach supports evidence-based emergency management and enhances public health emergency response systems.
- Future optimization should focus on data security, tracing accuracy, intelligent data collection, and improved data-sharing mechanisms.
Related Concept Videos
Applications of GIS: Disaster Management and Emergency Response
Steps in Outbreak Investigation
Issues And Trends In Healthcare Delivery System
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
Statistical Software for Data Analysis and Clinical Trials
Manipulation and Analysis
Pareto Chart
The Pareto chart is named after the Italian economist Vilfredo Pareto, who described the Pareto...

