15. The computer program product of claim 3 wherein the angle set data structure further comprises data for a plurality of story angles, the story angle data comprising, for each story angle (1) an identifier for that story angle, and (2) data representative of at least one applicability condition for that story angle.
28. The computer program product of claim 15 wherein the plurality of instructions are further configured for (1) creating an archive of data, the data being indicative of at least one member of the group consisting of a plurality of previously generated evaluation indicators, a plurality of previously generated story generation requests, a plurality of story angles previously found to be applicable to previously evaluated data, and a plurality of previously generated narrative stories, and (2) adjusting at least one of the applicability conditions in the angle set data structure based on the content of the archive.