5. The method defined by claim 1 wherein the derived attribute is one or more of the following: (a) an aggregate data item; (b) a text condenser attribute; (c) any other result of preprocessing data that extracts one or more high level concept data items from a plurality of data items thereby reducing data complexity.
5. The method defined by claim 1 wherein the derived attribute is one or more of the following: (a) an aggregate data item; (b) a text condenser attribute; (c) any other result of preprocessing data that extracts one or more high level concept data items from a plurality of data items thereby reducing data complexity. 6. The method defined by claim 5 wherein the plurality of data items in step (c) is a plurality of derived attributes.