/// <summary>
/// what other users rated those videos highly
/// </summary>
public static GraphTraversal <Vertex, Vertex> VideosRatedByOthers(this GraphTraversal <Vertex, Vertex> t,
int minRate, long minLocalRate)
{
return
// Now we're working with "similar users". For those users who share my taste, grab N highly rated
// videos. Save the rating so we can sum the scores later, and use sack() because it does not require
// path information. (as()/select() was slow)
(t.Local <List <Vertex> >(
__.OutE(EdgeRated)
.Has(PropertyRating, Gt(minRate))
.Limit(minLocalRate))
.Sack(Operator.Assign)
.By(PropertyRating).InV());
}