Why Do I Feel Like This?: The Importance of Context Representation for Emotion Elicitation

Why Do I Feel Like This?: The Importance of Context Representation for Emotion Elicitation

Diana Arellano (Universitat de les Illes Balears, Spain), Javier Varona (Universitat de les Illes Balears, Spain) and Francisco J. Perales (Universitat de les Illes Balears, Spain)
Copyright: © 2011 |Pages: 20
DOI: 10.4018/jse.2011070102
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One of the milestones in creation of virtual characters is the achievement of believability, which can be done through the representation of emotions using behaviours, voice, or facial expressions. To know which emotions to elicit in a variety of situations it is necessary to have a framework for reasoning, which is why context representation is important when creating synthetic emotions. It provides a description of what is occurring around the character, eliciting different emotions in the same situation or the same emotions in different situations. The novelty of this work is the representation of context, not only as events in the world, but also as the internal characteristics of the character, which when related with the events, give believable emotional responses.
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State Of Art

Context is what gives meaning to everything we do and how we do it. Therefore, a lot of effort has been invested in trying to model and define it, with the goal of obtaining a more general and extensible framework that can be used in creating stories and situations for a number of interactive applications. In the field of Computer Science some areas that have attempted to work on and with it are Affective Computing, Ubiquitous Computing, and Artificial Intelligence.

Strang and Linnhoff-Popien (2004) evaluated six of the most relevant existing approaches to model context for ubiquitous computing; regarding some requirements on a context modelling that would be optimal for use in applications in this field. The approaches are:

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