Category: Research
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Prisoners’ Dilemma – Predicting Choices
This story was designed for the experiment in this paper. I was trying to predict people’s choices at the end based on what they do in the beginning. It worked pretty well! I built it with the Twine interactive fiction engine. The beautiful art was done by Caroline Catlett Gates. The ugly art was me…
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Asking Hypothetical Questions about Stories using QUEST
Many computational models of narrative include representations of possible worlds—events that never actually occur in the story but that are planned or perceived by the story’s characters. Psychological tools such as QUEST are often used to validate computational models of narrative, but they only represent events which are explicitly narrated in the story. In this…
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Predicting User Choices in Interactive Narratives using Indexter’s Pairwise Event Salience Hypothesis
Indexter is a plan-based model of narrative that incorporates cognitive scientific theories about the salience of narrative events. A pair of Indexter events can share up to five indices with one another: protagonist, time, space, causality, and intentionality. The pairwise event salience hypothesis states that when a past event shares one or more of these…
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Fast and Diverse Narrative Planning through Novelty Pruning
Novelty pruning is a simple enhancement that can be added to most planners. A node is removed unless it is possible to find a set of n literals which are true in the current state and have never all been true in any of that plan’s previous states. Expanding on the success of the Iterated…