22. The system of claim 21 , wherein the instructions to determine the prefixes, infixes and postfixes comprises instructions to form a plurality of query term triples for the particular unique query, where each triple contains different term groupings of a prefix, a non-empty infix, and a postfix of terms in the particular unique query.
22. The system of claim 21 , wherein the instructions to determine the prefixes, infixes and postfixes comprises instructions to form a plurality of query term triples for the particular unique query, where each triple contains different term groupings of a prefix, a non-empty infix, and a postfix of terms in the particular unique query. 23. The system of claim 22 , wherein the instructions to identify the plurality of groups of queries comprises instructions to identify multiple groups that include the particular unique query.