The origin of the Intelligent Virtual Agents conference dates from a successful workshop on Intelligent Virtual Environments held in Brighton, UK at the 13th European Conference on Arti?cial Intelligence (ECAI’98).

Social Impact of IVAs.- Why Fat Interface Characters Are Better e-Health Advisors.- Virtual Rapport.- IVAs Recognizing Human Behavior.- Imitation Learning and Response Facilitation in Embodied Agents.- Robust Recognition of Emotion from Speech.- Affect Detection from Human-Computer Dialogue with an Intelligent Tutoring System.- Exploitation in Affect Detection in Improvisational E-Drama.- Human Interpretation of IVA Behavior.- An Exploration of Delsarte’s Structural Acting System.- Perception of Blended Emotions: From Video Corpus to Expressive Agent.- Perceiving Visual Emotions with Speech.- Embodied Conversational Agents.- Dealing with Out of Domain Questions in Virtual Characters.- MIKI: A Speech Enabled Intelligent Kiosk.- Architecture of a Framework for Generic Assisting Conversational Agents.- A Comprehensive Context Model for Multi-party Interactions with Virtual Characters.- “What Would You Like to Talk About?” An Evaluation of Social Conversations with a Virtual Receptionist.- Characteristics of Nonverbal Behavior.- Gesture Expressivity Modulations in an ECA Application.- Visual Attention and Eye Gaze During Multiparty Conversations with Distractions.- Behavior Representation Languages.- Towards a Common Framework for Multimodal Generation: The Behavior Markup Language.- MPML3D: A Reactive Framework for the Multimodal Presentation Markup Language.- Generation of Nonverbal Behavior with Speech.- Creativity Meets Automation: Combining Nonverbal Action Authoring with Rules and Machine Learning.- Nonverbal Behavior Generator for Embodied Conversational Agents.- [HUGE]: Universal Architecture for Statistically Based HUman GEsturing.- A Story About Gesticulation Expression.- IVAs in Serious Games.- Introducing EVG: An Emotion Evoking Game.- Towards a ReactiveVirtual Trainer.- Making It Up as You Go Along – Improvising Stories for Pedagogical Purposes.- Cognition and Emotion I.- A Neurobiologically Inspired Model of Personality in an Intelligent Agent.- Feeling Ambivalent: A Model of Mixed Emotions for Virtual Agents.- Are Computer-Generated Emotions and Moods Plausible to Humans?.- Creating Adaptive and Individual Personalities in Many Characters Without Hand-Crafting Behaviors.- Cognition and Emotion II.- Thespian: Modeling Socially Normative Behavior in a Decision-Theoretic Framework.- Autobiographic Knowledge for Believable Virtual Characters.- Teachable Characters: User Studies, Design Principles, and Learning Performance.- Applications of IVAs.- FearNot’s Appearance: Reflecting Children’s Expectations and Perspectives.- Populating Reconstructed Archaeological Sites with Autonomous Virtual Humans.- Evaluating the Tangible Interface and Virtual Characters in the Interactive COHIBIT Exhibit.- Invited Talks.- Invited Talk: Rule Systems and Video Games.- Invited Talk: Façade: Architecture and Authorial Idioms for Believable Agents in Interactive Drama.- Invited Talk: Social Effects of Emotion: Two Modes of Relation Alignment.- Posters.- Computer Model of Emotional Agents.- Affective Robots as Mediators in Smart Environments.- Expression of Emotion in Body and Face.- Towards Primate-Like Synthetic Sociability.- Here Be Dragons: Integrating Agent Behaviors with Procedural Emergent Landscapes and Structures.- Virtual Pedagogical Agents: Naturalism vs. Stylization.- The Role of Social Norm in User-Engagement and Appreciation of the Web Interface Agent Bonzi Buddy.- Countering Adversarial Strategies in Multi-agent Virtual Scenarios.- Avatar’s Gaze Control to Facilitate Conversational Turn-Taking in Virtual-SpaceMulti-user Voice Chat System.- The Role of Discourse Structure and Response Time in Multimodal Communication.- The PAC Cognitive Architecture.- Control of Avatar’s Facial Expression Using Fundamental Frequency in Multi-user Voice Chat System.- Modeling Cognition with a Human Memory Inspired Advanced Neural Controller.- Storytelling – The Difference Between Fantasy and Reality.- A Plug-and-Play Framework for Theories of Social Group Dynamics.- Learning Classifier Systems and Behavioural Animation of Virtual Characters.- Using Intelligent Agents to Facilitate Game Based Cultural Familiarization Training.- Mind the Body.- CAB: A Tool for Interoperation Among Cognitive Architectures.