arangosh> var examples = require("@arangodb/graph-examples/example-graph.js");
arangosh> var graph = examples.loadGraph("routeplanner");
arangosh> graph._closeness();
{
"frenchCity/Lyon" : 1,
"frenchCity/Paris" : 1,
"germanCity/Berlin" : 1,
"germanCity/Cologne" : 1,
"germanCity/Hamburg" : 1
}