10. The computer program product of claim 9 wherein the story generation request further comprises at least one derived feature from the data model.
9. The computer program product of claim 7 wherein the plurality of instructions are further configured for (1) generating and updating a data model relating to the subject based at least in part on the source data and the derived features, and (2) processing the data model against the angle set data structure to determine whether at least one applicability condition for at least one angle has been satisfied by the data model.