The media equation: how people treat computers, television, and new media like real people and places
Social role awareness in animated agents
Proceedings of the fifth international conference on Autonomous agents
Negotiated Collusion: Modeling Social Language and its Relationship Effects in Intelligent Agents
User Modeling and User-Adapted Interaction
Behavior planning for a reflexive agent
IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 2
Expressions of Empathy in ECAs
IVA '08 Proceedings of the 8th international conference on Intelligent Virtual Agents
The Generation of Emotional Expressions for a Text-Based Dialogue Agent
TSD '08 Proceedings of the 11th international conference on Text, Speech and Dialogue
Multimodal Human Machine Interactions in Virtual and Augmented Reality
Multimodal Signals: Cognitive and Algorithmic Issues
Towards a smiling ECA: studies on mimicry, timing and types of smiles
Proceedings of the 2nd international workshop on Social signal processing
IVA'10 Proceedings of the 10th international conference on Intelligent virtual agents
Model of the perception of smiling virtual character
Proceedings of the 11th International Conference on Autonomous Agents and Multiagent Systems - Volume 1
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In this paper we present a model of facial behaviour encompassing interpersonal relations for an Embodied Conversational Agent (ECA). Although previous solutions of this problem exist in ECA's domain, in our approach a variety of facial expressions (i.e. expressed, masked, inhibited, and fake expressions) is used for the first time. Moreover, our rules of facial behaviour management are consistent with the predictions of politeness theory as well as the experimental data (i.e. annotation of the video-corpus). Knowing the affective state of the agent and the type of relations between interlocutors the system automatically adapts the facial behaviour of an agent to the social context. We present also the evaluation study we have conducted of our model. In this experiment we analysed the perception of interpersonal relations from the facial behaviour of our agent.