“…In previous work, as part of our Logtell project [13,14], we developed prototypes to compose narrative plots interactively, employing a plan-generation algorithm based on Propp's functions. Starting from different initial states, and giving to users the power to intervene in the generation process, within the limits of the conventions of the genre on hand, we were able to obtain in most cases a fair number of different plots, thereby achieving an encouraging level of variety in plot composition.…”