All the queries we are going to write here can be tested using the online Wikidata tool at https://query.wikidata.org/.
If you have done the assessments at the end of Chapter 2, Cypher Query Language, your GitHub graph must have nodes with label Location, containing the city each user is declared to live in. If you skipped Chapter 2 or the assessment, you can find this graph in the GitHub repository for this chapter. The current graph schema is the following:
Our goal will be to assign a country to each of the locations. Let's start from the most frequent location within Neo4j contributors, Malmö. This is a city in Sweden where the company building and maintaining Neo4j, Neo Inc., has its main offices.
How can we find the country in which Malmö is located using Wikidata? We first need to find the page regarding Malmö on Wikidata. A simple search on your favorite search engine should lead you to https://www.wikidata.org/wiki/Q2211. ...
