Human conversation as a system framework: designing embodied conversational agents
Embodied conversational agents
Hierarchical Model for Real Time Simulation of Virtual Human Crowds
IEEE Transactions on Visualization and Computer Graphics
Performance models for large scale multiagent systems: using distributed POMDP building blocks
AAMAS '03 Proceedings of the second international joint conference on Autonomous agents and multiagent systems
Developing multiagent systems: The Gaia methodology
ACM Transactions on Software Engineering and Methodology (TOSEM)
Embodied Tour Guide in an Interactive Virtual Art Gallery
CW '03 Proceedings of the 2003 International Conference on Cyberworlds
Journal of Artificial Intelligence Research
C-VISions: socialized learning through collaborative, virtual, interactive simulations
CSCL '02 Proceedings of the Conference on Computer Support for Collaborative Learning: Foundations for a CSCL Community
Effects of conversational agents on human communication in thought-evoking multi-party dialogues
SIGDIAL '09 Proceedings of the SIGDIAL 2009 Conference: The 10th Annual Meeting of the Special Interest Group on Discourse and Dialogue
User-adaptive coordination of agent communicative behavior in spoken dialogue
SIGDIAL '10 Proceedings of the 11th Annual Meeting of the Special Interest Group on Discourse and Dialogue
Triggering effective social support for online groups
ACM Transactions on Interactive Intelligent Systems (TiiS)
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Although social research into group interaction has flourished since the 20th century, the technology of embodied conversational agents for handling multiparty interaction is still immature. In view of this, we aim at designing agent systems to support group interaction in virtual environments. We intensively researched group formation processes and leadership in terms of turn taking management and nonverbal behavior in facilitated casual social groups. Towards achieving agent autonomy and believability, we employ group interaction mechanisms in an integrated four-layer agent architecture. This approach takes into account group modeling. turn taking moderation and multimodal coordination mechanism to ensure appropriate coupling of the agent's perception and actions at the group level. We also present an application of an embodied tour guide, named Elva, in an interactive art gallery. The application demonstrates how an agent can act as a leader in coordinating and facilitating multiparty interaction in a facilitated casual social group, in particular, a tour group context.