A new approach to social behavior simulation: the mask model

Osborne, Francesco (2011). A new approach to social behavior simulation: the mask model. In: Interactive Storytelling, Lecture Notes in Computer Science, Springer, pp. 97–108.

DOI: https://doi.org/10.1007/978-3-642-25289-1_11


This paper proposes a new perspective, based on the concept of social masks, for the simulation of a realistic NPC (Non-Player Character) behavior. The Mask Model goal is to support AI techniques for autonomous agents by encouraging or discouraging behaviors according to the social environment and by providing knowledge about possible reactions to the agent actions. In this approach, the NPC tendencies are controlled by the interactions of three overlapping mask layers: self- perception layer, social layer and interpersonal layer. The masks mould the tendencies, the feelings and the ethics of a NPC. By changing the links between characters and masks, a wide variety of different behaviors and story-lines may arise. The paper present an algorithm for the selection of the actions and an example implementation.

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