neo4j-graph-examples/contact-tracing

Contact Tracing graph for pandemic spread e.g. COVID-19 based on http://blog.bruggen.com/search/label/contact%20tracing

Contact Tracing Graph Example

Description: Tracing infections between people based on their contacts

Nodes 5615 Relationships 15130

Figure 1. Model

Figure 2. Example

Example Query:

MATCH (p:Person {healthstatus:$status})-[v:VISITS]->(pl:Place)
 WHERE p.confirmedtime < v.starttime
 RETURN distinct pl.name as place LIMIT 20

Setup

This is for Neo4j version: 3.5,4.0

Required plugins: gds

Rendered guide available via: :play https://guides.neo4j.com/sandbox/contact-tracing/index.html

Unrendered guide: documentation/contact-tracing.neo4j-browser-guide

Load graph data via the following:

Dump file: data/contact-tracing-40.dump

• Drop the file into the Files section of a project in Neo4j Desktop. Then choose the option to Create new DBMS from dump option from the file options.

• Use the neo4j-admin tool to load data from the command line with the command below.

bin/neo4j-admin load --from data/contact-tracing-40.dump [--database "database"]

• Upload the dump file to Neo4j Aura via https://console.neo4j.io/#import-instructions

Code Examples

• JavaScript

• Java

• C#

• Python

• Go

Feedback

Feel free to submit issues or pull requests for improvement on this repository.