Creativity Support Tools: A Grand Challenge for HCI Researchers.- Integrating Learning Processes Across Boundaries of Media, Time and Group Scale.- Optimal Cost Haptic Devices for Driving Simulators.- Interference of Auditory Information with Haptic Perception of Stiffness in Virtual Reality.- Towards Implicit Interaction in Ambient Intelligence through Information Mosaic Roles.- Towards the Achievement of Natural Interaction.- Science Learning in Blind Children through Audio-Based Games.- Towards the Introduction of Accessibility Resources in Public Telecentres.- Access Control Model for Collaborative Business Processes.- An Ontology to Model Collaborative Organizational Structures in CSCW Systems.- Semantic Web Query Authoring for End-Users.- A Methodological Approach for Building Multimodal Acted Affective Databases.- Audiovisual Analysis and Synthesis for Multimodal Human-Computer Interfaces.- Creation and Evaluation of a Virtual and Collaborative Playground.- Presentation Adaptation: Results from a Case Study.- Improving a Zoom+Pan Interface with Overview+Detail or Focus+Context Features: A Comparative Evaluation.- aCaSo: A Card Sorting Management #x0026; Analysis Tool.- Intelligent User Interfaces: Past, Present and Future.