2. The method of claim 1 , wherein, for each user in the set of users, the at least one attribute comprises at least one personality trait of the user.
2. The method of claim 1 , wherein, for each user in the set of users, the at least one attribute comprises at least one personality trait of the user. 6. The method of claim 2 , wherein generating the aggregate user model comprises weighting each personality trait of each user in the set of users using a mean square weighted deviation.