Notes on the Use of Plan Structures in the Creation of Interactive Plot

R. Michael Young

In this extended abstract I describe a particular approach to the computational modeling of plot as described by narrative theorists. This model extends techniques from recent approaches to AI planning -- particularly the combined representation of the causal and hierarchical structure of plans and the methods by which the plans are constructed -- to capture key features of narrative structure. I provide two short discussions with exampies of how these models of plans and planning can be used to create interactive, plot-based narrative experiences. First, I sketch briefly how a plan-based representation can be used to share control of plot flow between a user and an interactive system. Then I discuss a technique for modeling the suspense experienced by a user while experiencing an unfolding plot.

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