Intelligent Virtual Agents

1. Front Matter

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2. IVAs and Education

   1. Training Agents: An Architecture for Reusability

      • Gonzalo Mendez, Angelica de Antonio

      Pages 1-14

   2. Ask&Answer: An Educational Game Where It Pays to Endear Your Capricious Virtual Companion

      • Ido A. Iurgel, Manuel Ziegler

      Pages 15-24

3. Conversational Agents/NLP

   1. Natural Behavior of a Listening Agent

      • R. M. Maatman, Jonathan Gratch, Stacy Marsella

      Pages 25-36

   2. Providing Computer Game Characters with Conversational Abilities

      • Joakim Gustafson, Johan Boye, Morgan Fredriksson, Lasse Johanneson, Jürgen Königsmann

      Pages 37-51

   3. Fight, Flight, or Negotiate: Believable Strategies for Conversing Under Crisis

      • David Traum, William Swartout, Stacy Marsella, Jonathan Gratch

      Pages 52-64

   4. Dialog Simulation for Background Characters

      • Dušan Jan, David R. Traum

      Pages 65-74

4. IVA Architectures

   1. INTERFACE Toolkit: A New Tool for Building IVAs

      • Piero Cosi, Carlo Drioli, Fabio Tesser, Graziano Tisato

      Pages 75-87

   2. Autonomous Virtual Agents Learning a Cognitive Model and Evolving

      • Toni Conde, Daniel Thalmann

      Pages 88-98

   3. Using Real Objects to Communicate with Virtual Characters

      • Patrick Gebhard, Martin Klesen

      Pages 99-110

   4. A Software Engineering Approach Combining Rational and Conversational Agents for the Design of Assistance Applications

      • Jean-Paul Sansonnet, Jean-Claude Martin, Karl Leguern

      Pages 111-119

   5. Marve: A Prototype Virtual Human Interface Framework for Studying Human-Virtual Human Interaction

      • Sabarish Babu, Stephen Schmugge, Raj Inugala, Srinivasa Rao, Tiffany Barnes, Larry F. Hodges

      Pages 120-133

5. Cognition, Reasoning and Behaviour

   1. A Knowledge-Based Scenario Framework to Support Intelligent Planning Characters

      • Paul Hsueh-Min Chang, Yu-Hung Chien, Edward Chao-Chun Kao, Von-Wun Soo

      Pages 134-145

   2. CAA: A Context-Sensitive Agent Architecture for Dynamic Virtual Environments

      • In-Cheol Kim

      Pages 146-151

   3. When Emotion Does Not Mean Loss of Control

      • Ricardo Imbert, Angélica de Antonio

      Pages 152-165

   4. Social Situated Agents in Virtual, Real and Mixed Reality Environments

      • M. Dragone, T. Holz, B. R. Duffy, G. M. P. O’Hare

      Pages 166-177

   5. Do You See What Eyes See? Implementing Inattentional Blindness

      • Erdan Gu, Catherine Stocker, Norman I. Badler

      Pages 178-190

   6. Social Causality and Responsibility: Modeling and Evaluation

      • Wenji Mao, Jonathan Gratch

      Pages 191-204

6. NonVerbal Communication

   1. Teaching Virtual Characters How to Use Body Language

      • Doron Friedman, Marco Gillies

      Pages 205-214

   2. Direction of Attention Perception for Conversation Initiation in Virtual Environments

      • Christopher Peters

      Pages 215-228

The origin of the Intelligent Virtual Agents conference dates from a successful workshop on Intelligent Virtual Environments held in Brighton at the 13th European Conference on Artificial Intelligence (ECAI'98). This workshop was followed by a second one held in Salford in Manchester in 1999. Subsequent events took place in Madrid, Spain in 2001 and Irsee, Germany in 2003 and attracted participants from both sides of the Atlantic as well as Asia. th This volume contains the proceedings of the 5 International Working Conference on Intelligent Virtual Agents, IVA 2005, held on Kos Island, Greece, September 12–14, 2005, which highlighted once again the importance and vigor of the research field. A half-day workshop under the title “Socially Competent IVA’s: We are not alone in this (virtual) world!” also took place as part of this event. IVA 2005 received 69 submissions from Europe, North and South America, Africa and Asia. The papers published here are the 26 full papers and 14 short papers presented at the conference, as well as one-page descriptions of the 15 posters and the descriptions of the featured invited talks by Prof. Justine Cassell, of Northwestern University and Prof. Kerstin Dautenhahn, of the University of Hertfordshire. We would like to thank a number of people that have contributed to the success of this conference. First of all, we thank the authors for their high-quality work and their willingness to share their ideas.

• BDI agents
• animation systems
• architecture
• artificial intelligence
• communication
• computer assisted education
• human-computer interaction
• intelligent agents
• intelligent interfaces
• knowledge
• lifelike characters
• mobile agents
• modeling
• ontology
• perception

• Department of Informatics, University of Piraeus, Piraeus, Greece

  Themis Panayiotopoulos

• Institute for Creative Technologies, University of Southern California, Marina Del Rey, USA

  Jonathan Gratch

• School of Mathematical and Computer Sciences, Heriot Watt University, Edinburgh, Scotland

  Ruth Aylett

• BT plc, Adastral Park, Ipswich, UK

  Daniel Ballin

• School of Computing Science, Culture Lab, Newcastle University, Newcastle upon Tyne, UK

  Patrick Olivier

• University of Applied Sciences Augsburg, Augsburg, Germany

  Thomas Rist

Policies and ethics