This book constitutes the refereed proceedings of the 8th International
Workshop on Intelligent Virtual Agents, IVA 2008, held in Tokyo, Japan,
in September 2008. The 18 revised full papers and 28 revised short
papers presented together 42 poster papers were carefully reviewed and
selected from 99 submissions. The papers are organized in topical
sections on motion and empathy; narrative and augmented reality;
conversation and negotiation; nonverbal behavior; models of culture and
personality; markup and representation languages; architectures for
robotic agents; cognitive architectures; agents for healthcare and
training; and agents in games, museums and virtual worlds.