private string QueryResult()
{
return(string.Join('|', (from comment in SocialNetwork.Descendants().OfType <Comment>()
let layering = Layering <IUser> .CreateLayers(comment.LikedBy, u => u.Friends.Where(f => f.Likes.Contains(comment)))
orderby layering.Sum(l => Square(l.Count))
select comment.Id).Take(3)));
}
private string QueryResult()
{
return(string.Join('|', (from comment in SocialNetwork.Descendants().OfType <Comment>()
let layering = Layering <IUser> .CreateLayers(comment.LikedBy, u => u.Friends.Intersect(comment.LikedBy))
let score = layering.Sum(l => Square(l.Count))
orderby(score, comment.Timestamp) descending
select comment.Id).Take(3)));
}