17. The apparatus as recited in claim 16 , wherein one or more of the processors further rank and truncate the global topicality list.
17. The apparatus as recited in claim 16 , wherein one or more of the processors further rank and truncate the global topicality list. 18. The apparatus as recited in claim 17 , wherein the size of the major term set is predetermined by defining a maximum allowable number of uniquely ranked terms.