Keynote Speakers -- Modeling Emotion and Its Expression in Virtual Humans -- AdHeat - An Influence-Based Diffusion Model for Propagating Hints to Personalize Social Ads -- Full Research Papers -- Can Concept-Based User Modeling Improve Adaptive Visualization? -- Interweaving Public User Profiles on the Web -- Modeling Long-Term Search Engine Usage -- Analysis of Strategies for Building Group Profiles -- Contextual Slip and Prediction of Student Performance after Use of an Intelligent Tutor -- Working Memory Span and E-Learning: The Effect of Personalization Techniques on Learners' Performance -- Scaffolding Self-directed Learning with Personalized Learning Goal Recommendations -- Instructional Video Content Employing User Behavior Analysis: Time Dependent Annotation with Levels of Detail -- A User-and Item-Aware Weighting Scheme for Combining Predictive User Models -- PersonisJ: Mobile, Client-Side User Modelling -- Twitter, Sensors and UI: Robust Context Modeling for Interruption Management -- Ranking Feature Sets for Emotion Models Used in Classroom Based Intelligent Tutoring Systems -- Inducing Effective Pedagogical Strategies Using Learning Context Features -- "Yes!": Using Tutor and Sensor Data to Predict Moments of Delight during Instructional Activities -- A Personalized Graph-Based Document Ranking Model Using a Semantic User Profile -- Interaction and Personalization of Criteria in Recommender Systems -- Collaborative Inference of Sentiments from Texts -- User Modelling for Exclusion and Anomaly Detection: A Behavioural Intrusion Detection System -- IntrospectiveViews: An Interface for Scrutinizing Semantic User Models -- Analyzing Community Knowledge Sharing Behavior -- A Data-Driven Technique for Misconception Elicitation -- Modeling Individualization in a Bayesian NetworksImplementation of Knowledge Tracing -- Detecting Gaming the System in Constraint-Based Tutors -- Bayesian Credibility Modeling for Personalized Recommendation in Participatory Media -- A Study on User Perception of Personality-Based Recommender Systems -- Compass to Locate the User Model I Need: Building the Bridge between Researchers and Practitioners in User Modeling -- Industry Papers -- myCOMAND Automotive User Interface: Personalized Interaction with Multimedia Content Based on Fuzzy Preference Modeling -- User Modeling for Telecommunication Applications: Experiences and Practical Implications -- Mobile Web Profiling: A Study of Off-Portal Surfing Habits of Mobile Users -- Personalized Implicit Learning in a Music Recommender System -- Short Research Papers -- Personalised Pathway Prediction -- Towards a Customization of Rating Scales in Adaptive Systems -- Eye-Tracking Study of User Behavior in Recommender Interfaces -- Recommending Food: Reasoning on Recipes and Ingredients -- Disambiguating Search by Leveraging a Social Context Based on the Stream of User's Activity -- Features of an Independent Open Learner Model Influencing Uptake by University Students -- Doctoral Consortium Papers -- Recognizing and Predicting the Impact on Human Emotion (Affect) Using Computing Systems -- Utilising User Texts to Improve Recommendations -- Semantically-Enhanced Ubiquitous User Modeling -- User Modeling Based on Emergent Domain Semantics -- "Biographic spaces": A Personalized Smoking Cessation Intervention in Second Life -- Task-Based User Modelling for Knowledge Work Support -- Enhancing User Interaction in Virtual Environments through Adaptive Personalized 3D Interaction Techniques.