22. The method of claim 19 further comprising: the processor 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 the processor adjusting the importance value for at least one of the story angles in the angle set data structure based on the content of the archive.
19. The method of claim 15 wherein the story angle data of the angle set data structure further comprises, for each story angle, data representative of an importance value for that story angle.