Invited Papers -- The Disappearing Computer: User-Centered Interaction Design for Smart Artefacts -- Experience Medium: Toward a New Medium for Exchanging Experiences -- Intelligent Assistive Technology: The Present and the Future -- Full Papers -- Exploiting Evidence Analysis in Plan Recognition -- Modeling the Acquisition of Fluent Skill in Educational Action Games -- A User Modeling Server for Contemporary Adaptive Hypermedia: An Evaluation of the Push Approach to Evidence Propagation -- Principles of Lifelong Learning for Predictive User Modeling -- Users in Volatile Communities: Studying Active Participation and Community Evolution -- Learning from What Others Know: Privacy Preserving Cross System Personalization -- Construction of Ontology-Based User Model for Web Personalization -- Preference-Based Organization Interfaces: Aiding User Critiques in Recommender Systems -- “More Like This” or “Not for Me”: Delivering Personalised Recommendations in Multi-user Environments -- Feature-Weighted User Model for Recommender Systems -- Evaluating a Simulated Student Using Real Students Data for Training and Testing -- Modeling Students’ Natural Language Explanations -- Applications for Cognitive User Modeling -- Identifiability: A Fundamental Problem of Student Modeling -- Understanding the Utility of Rationale in a Mixed-Initiative System for GUI Customization -- Respecting Users’ Individual Privacy Constraints in Web Personalization -- Personalized Previews of Alternative Routes in Virtual Environments -- Visual Attention in Open Learner Model Presentations: An Eye-Tracking Investigation -- EEG-Related Changes in Cognitive Workload, Engagement and Distraction as Students Acquire Problem Solving Skills -- Eliciting Motivation Knowledge from Log Files Towards Motivation Diagnosis for Adaptive Systems -- Assessing Learner’s Scientific Inquiry Skills Across Time: A Dynamic Bayesian Network Approach -- From Modelling Domain Knowledge to Metacognitive Skills: Extending a Constraint-Based Tutoring System to Support Collaboration -- Mobile Opportunistic Planning: Methods and Models -- Analyzing Museum Visitors’ Behavior Patterns -- A Context-Aware Movie Preference Model Using a Bayesian Network for Recommendation and Promotion -- Intrinsic Motivational Factors for the Intention to Use Adaptive Technology: Validation of a Causal Model -- Improving Social Filtering Techniques Through WordNet-Based User Profiles -- Push-Poll Recommender System: Supporting Word of Mouth -- Evaluation of Modeling Music Similarity Perception Via Feature Subset Selection -- Poster Papers -- A Practical Activity Capture Framework for Personal, Lifetime User Modeling -- A Probabilistic Relational Student Model for Virtual Laboratories -- A Semantics-Based Dialogue for Interoperability of User-Adaptive Systems in a Ubiquitous Environment -- A User Independent, Biosignal Based, Emotion Recognition Method -- A User Model of Psycho-physiological Measure of Emotion -- A User-Item Predictive Model for Collaborative Filtering Recommendation -- Automatic Generation of Students’ Conceptual Models from Answers in Plain Text -- Capturing User Interests by Both Exploitation and Exploration -- Conceptualizing Student Models for ICALL -- Context-Dependent User Modelling for Smart Homes -- Conversations Amidst Computing: A Study of Interruptions and Recovery of Task Activity -- Cross-Domain Mediation in Collaborative Filtering -- Driver Destination Models -- Enabling Efficient Real Time User Modeling in On-Line Campus -- Eliciting Adaptation Knowledge from On-Line Tutors to Increase Motivation -- Improving User Taught Task Models -- Inducing User Affect Recognition Models for Task-Oriented Environments -- Interactive User Modeling for Personalized Access to Museum Collections: The Rijksmuseum Case Study -- Kansei Processing Agent for Personalizing Retrieval -- Maximizing the Utility of Situated Public Displays -- Modeling Preferences in a Distributed Recommender System -- Multiple Evidence Combination in Web Site Search Based on Users’ Access Histories -- MyPlace Locator: Flexible Sharing of Location Information -- Personalised Mashups: Opportunities and Challenges for User Modelling -- Personalized Control of Smart Environments -- Studying Model Ambiguity in a Language ITS -- Tailoring and the Efficiency of Information Seeking -- The Effect of Model Granularity on Student Performance Prediction Using Bayesian Networks -- To Share or Not to Share: Supporting the User Decision in Mobile Social Software Applications -- Towards a Tag-Based User Model: How Can User Model Benefit from Tags? -- Web Customer Modeling for Automated Session Prioritization on High Traffic Sites -- What’s in a Step? Toward General, Abstract Representations of Tutoring System Log Data -- Doctoral Consortium Papers -- Encouraging Contributions to Online Communities with Personalization and Incentives -- Semantic-Enhanced Personalised Support for Knowledge Sharing in Virtual Communities -- Explaining Recommendations -- Designing Persuasive Health Behaviour Change Dialogs -- User-Centered Design for Personalized Access to Cultural Heritage.