Calculating the betweenness centrality property of Sydney Trains nodes

_sydney_trains_betweenness.cypher

CALL gds.graph.project.cypher(
    'projection_trains',
    'MATCH (s:Stop) RETURN id(s) AS id',
    'MATCH (s:Stop)-[:NEXT_STOP]->(t:Stop) RETURN id(s) AS source, id(t) AS target, "NEXT_STOP" AS type'
);

CALL gds.betweenness.write('projection_trains', {
  writeProperty: 'betweennessCentrality'
});