4. The apparatus of claim 3 wherein the user score is initially determined by the type of user.
4. The apparatus of claim 3 wherein the user score is initially determined by the type of user. 5. The apparatus of claim 4 wherein the user score is increased when the user creates a new query that has an estimated time that does not exceed the tailored threshold and decreased when the estimated time exceeds the tailored threshold and decreased when an administrator halts the query.