11. The computer system of claim 8 , wherein scoring the alteration candidate further comprises: computing one or more query-dependent feature scores that are based on dependencies to multiple query terms from each of one or more of the alteration terms; and using the one or more query-dependent feature scores to compute the candidate score for the candidate.
11. The computer system of claim 8 , wherein scoring the alteration candidate further comprises: computing one or more query-dependent feature scores that are based on dependencies to multiple query terms from each of one or more of the alteration terms; and using the one or more query-dependent feature scores to compute the candidate score for the candidate. 13. The computer system of claim 11 , wherein the one or more query-dependant feature scores is based on one or more dependencies between at least one of the alteration terms and the query overall.