Intelligent Virtual Agents: 8th International Conference, Iva 2008, Tokyo, Japan, September 1-3, 2008 : Proceedings Iva 2008

Annotation 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 Front Matter....Pages - The Relation between Gaze Behavior and the Attribution of Emotion: An Empirical Study....Pages 1-14 Affect Simulation with Primary and Secondary Emotions....Pages 15-28 User Study of AffectIM, an Emotionally Intelligent Instant Messaging System....Pages 29-36 Expressions of Empathy in ECAs....Pages 37-44 Archetype-Driven Character Dialogue Generation for Interactive Narrative....Pages 45-58 Towards a Narrative Mind: The Creation of Coherent Life Stories for Believable Virtual Agents....Pages 59-72 Emergent Narrative as a Novel Framework for Massively Collaborative Authoring....Pages 73-80 Towards Real-Time Authoring of Believable Agents in Interactive Narrative....Pages 81-88 Male Bodily Responses during an Interaction with a Virtual Woman....Pages 89-96 A Virtual Agent for a Cooking Navigation System Using Augmented Reality....Pages 97-103 Social Perception and Steering for Online Avatars....Pages 104-116 Multi-party, Multi-issue, Multi-strategy Negotiation for Multi-modal Virtual Agents....Pages 117-130 A Granular Architecture for Dynamic Realtime Dialogue....Pages 131-138 Generating Dialogues for Virtual Agents Using Nested Textual Coherence Relations....Pages 139-145 Integrating Planning and Dialogue in a Lifestyle Agent....Pages 146-153 Audio Analysis of Human/Virtual-Human Interaction....Pages 154-161 Learning Smooth, Human-Like Turntaking in Realtime Dialogue....Pages 162-175 Predicting Listener Backchannels: A Probabilistic Multimodal Approach....Pages 176-190 IGaze: Studying Reactive Gaze Behavior in Semi-immersive Human-Avatar Interactions....Pages 191-199 Estimating User’s Conversational Engagement Based on Gaze Behaviors....Pages 200-207 The Effects of Agent Nonverbal Communication on Procedural and Attitudinal Learning Outcomes....Pages 208-214 Evaluating Data-Driven Style Transformation for Gesturing Embodied Agents....Pages 215-222 Culture-Specific First Meeting Encounters between Virtual Agents....Pages 223-236 Virtual Humans Elicit Skin-Tone Bias Consistent with Real-World Skin-Tone Biases....Pages 237-244 Cross-Cultural Evaluations of Avatar Facial Expressions Designed by Western Designers....Pages 245-252 Agreeable People Like Agreeable Virtual Humans....Pages 253-261 A Listening Agent Exhibiting Variable Behaviour....Pages 262-269 The Next Step towards a Function Markup Language....Pages 270-280 Extending MPML3D to Second Life....Pages 281-288 An Extension of MPML with Emotion Recognition Functions Attached....Pages 289-295 ITACO: Effects to Interactions by Relationships between Humans and Artifacts....Pages 296-307 Teaching a Pet Robot through Virtual Games....Pages 308-321 Modeling Self-deception within a Decision-Theoretic Framework....Pages 322-333 Modeling Appraisal in Theory of Mind Reasoning....Pages 334-347 Improving Adaptiveness in Autonomous Characters....Pages 348-355 The Embodiment of a DUAL/AMBR Based Cognitive Model in the RASCALLI Multi-agent Platform....Pages 356-363 BDI Model-Based Crowd Simulation....Pages 364-371 The Mood and Memory of Believable Adaptable Socially Intelligent Characters....Pages 372-379 Visualizing the Importance of Medical Recommendations with Conversational Agents....Pages 380-393 Evaluation of Justina: A Virtual Patient with PTSD....Pages 394-408 Elbows Higher! Performing, Observing and Correcting Exercises by a Virtual Trainer....Pages 409-416 A Virtual Therapist That Responds Empathically to Your Answers....Pages 417-425 IDEAS4Games: Building Expressive Virtual Characters for Computer Games....Pages 426-440 Context-Aware Agents to Guide Visitors in Museums....Pages 441-455 Virtual Institutions: Normative Environments Facilitating Imitation Learning in Virtual Agents....Pages 456-464 Enculturating Conversational Agents Based on a Comparative Corpus Study....Pages 465-467 The Reactive-Causal Architecture: Towards Development of Believable Agents....Pages 468-469 Gesture Recognition in Flow in the Context of Virtual Theater....Pages 470-471 Automatic Generation of Conversational Behavior for Multiple Embodied Virtual Characters: The Rules and Models behind Our System....Pages 472-473 Implementing Social Filter Rules in a Dialogue Manager Using Statecharts....Pages 474-475 Towards Realistic Real Time Speech-Driven Facial Animation....Pages 476-478 Avatar Customization and Emotions in MMORPGs....Pages 479-480 Impact of the Agent’s Localization in Human-Computer Conversational Interaction....Pages 481-483 Evolving Expression of Emotions in Virtual Humans Using Lights and Pixels....Pages 484-485 Motivations and Personality Traits in Decision-Making....Pages 486-487 A Flexible Behavioral Planner in Real-Time....Pages 488-489 Face to Face Interaction with an Intelligent Virtual Agent: The Effect on Learning Tactical Picture Compilation....Pages 490-491 Creating and Scripting Second Life Bots Using MPML3D....Pages 492-493 Piavca: A Framework for Heterogeneous Interactions with Virtual Characters....Pages 494-495 Interpersonal Impressions of Agents for Developing Intelligent Systems....Pages 496-497 Comparing an On-Screen Agent with a Robotic Agent in Non-Face-to-Face Interactions....Pages 498-504 Sustainability and Predictability in a Lasting Human–Agent Interaction....Pages 505-506 Social Effects of Virtual Assistants. A Review of Empirical Results with Regard to Communication....Pages 507-508 SoNa: A Multi-agent System to Support Human Navigation in a Community, Based on Social Network Analysis....Pages 509-510 Animating Unstructured 3D Hand Models....Pages 511-513 Verification of Expressiveness of Procedural Parameters for Generating Emotional Motions....Pages 514-515 Individualised Product Portrayals in the Usability of a 3D Embodied Conversational Agent in an eBanking Scenario....Pages 516-517 Multi-agent Negotiation System in Electronic Environments....Pages 518-519 A Study of the Use of a Virtual Agent in an Ambient Intelligence Environment....Pages 520-521 Automatic Torso Engagement for Gesturing Characters....Pages 522-523 Modeling the Dynamics of Virtual Agent’s Social Relations....Pages 524-525 Proposal of an Artificial Emotion Expression System Based on External Stimulus and Emotional Elements....Pages 526-527 A Reactive Architecture Integrating an Associative Memory for Sensory-Driven Intelligent Behavior....Pages 528-529 Social Responses to Virtual Humans: Automatic Over-Reliance on the "Human" Category....Pages 530-532 Adaptive Self-feeding Natural Language Generator Engine....Pages 533-534 A Model of Motivation for Virtual-Worlds Avatars....Pages 535-536 Towards Virtual Emotions and Emergence of Social Behaviour....Pages 537-538 Using Virtual Agents for the Teaching of Requirements Elicitation in GSD....Pages 539-540 A Virtual Agent’s Behavior Selection by Using Actions for Focusing of Attention....Pages 541-542 Emergent Narrative and Late Commitment....Pages 543-544 “I Would Like to Trust It but” Perceived Credibility of Embodied Social Agents: A Proposal for a Research Framework....Pages 545-546 Acceptable Dialogue Start Supporting Agent for Avatar-Mediated Multi-tasking Online Communication....Pages 547-547 Do You Know How I Feel? Evaluating Emotional Display of Primary and Secondary Emotions....Pages 548-549 Comparing Emotional vs. Envelope Feedback for ECAs....Pages 550-551 Intelligent Agents Living in Social Virtual Environments – Bringing Max into Second Life....Pages 552-553 Back Matter....Pages -