arangosh> var examples = require("org/arangodb/graph-examples/example-graph.js");
arangosh> var graph = examples.loadGraph("social");
arangosh> var query = graph._edges({type: "married"});
arangosh> query.toVertices({name: "Bob"}).toArray();
[ 
  { 
    "_id" : "male/bob", 
    "_key" : "bob", 
    "_rev" : "1489302411", 
    "name" : "Bob" 
  } 
]