1. A method for re-ranking search results, comprising: receiving search results that are ranked; and applying a ranking rule to the search results that re-ranks the search results, wherein the ranking rule is defined by user input and includes user-input specified parameters that influence how a result within the search results is re-ranked using statistical information calculated based on the search results, wherein the statistical information comprises at least one statistical value calculated based on rank values of a plurality of the search results, wherein the ranking rule includes a multiplier value that is multiplied against at least one of: a maximum rank value of the rank values minus a minimum rank value of the rank values; a rank value of the ranks values minus the minimum rank value of the rank values; an average rank value of the rank values; and a standard deviation of the rank values.