Tracking the Spread of Coronavirus with Graph Databases

That is essentially what one group of Chinese researchers did with Neo4j, an open source graph database. According to a February blog post, a Neo4j partner in China called We-Yun has built an application atop the Neo4j database that allows Chinese citizens to do a “self assessment” by checking to see if they came in contact with a known carrier of the virus that causes Covid-19.

The researchers focused their efforts on travel data collected during the period of time when Chinese citizens were returning home from Chinese New Year, according to the blog post (which was an English translation of the original blog post in Mandarin).

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