arango> db.relation.outEdges("86294/1528086");
[
{
"_id" : "1659158/3100950",
"_rev" : 3100950,
"_from" : "86294/1528086",
"_to" : "86294/1593622",
"label" :
"knows"
}
]
arango> db.relation.outEdges("86294/1593622");
[ ]