13. The system of claim 8 , wherein the server device is further configured to compute the score by determining at least one of: (a) a relevance between the original query and a first alternative query, (b) a probability that the first alternative query will be selected, or (c) a score of the position of a selected search result for the first alternative query.
13. The system of claim 8 , wherein the server device is further configured to compute the score by determining at least one of: (a) a relevance between the original query and a first alternative query, (b) a probability that the first alternative query will be selected, or (c) a score of the position of a selected search result for the first alternative query. 14. The system of claim 13 , wherein the server device is further configured to determine the relevance between the original query and the first alternative query, and wherein determining the relevance includes: aligning terms of the original query with terms of the first alternative query; and determining correlation values between the aligned terms.