Mobility and Sensing.- Mobile Interaction with the Real World: An Evaluation and Comparison of Physical Mobile Interaction Techniques.- Portable Wireless Sensors for Object Usage Sensing in the Home: Challenges and Practicalities.- Role Assignment Via Physical Mobile Interaction Techniques in Mobile Multi-user Applications for Children.- Applications of AmI.- Context-Sensitive Microlearning of Foreign Language Vocabulary on a Mobile Device.- Ambient Intelligence for Decision Making in Fire Service Organizations.- Supporting Independent Living of the Elderly with Mobile-Centric Ambient Intelligence: User Evaluation of Three Scenarios.- Activity and Location Sensing.- A Study on the Suitability of GSM Signatures for Indoor Location.- How Computer Vision Can Help in Outdoor Positioning.- Toward Recognition of Short and Non-repetitive Activities from Wearable Sensors.- AmI and Artifiial Intelligence.- Distributed AI for Ambient Intelligence: Issues and Approaches.- Active Coordination Artifacts in Collaborative Ubiquitous-Computing Environments.- AmI Middleware and Infrastructure.- A Communication Middleware for Smart Room Environments.- Evaluating Confidence in Context for Context-Aware Security.- A Compiler for the Smart Space.- Interaction with the Environment.- Situated Public News and Reminder Displays.- A Web 2.0 Platform to Enable Context-Aware Mobile Mash-Ups.- A Matter of Taste.- Case Studies and Lessons Learned.- User Centered Research in ExperienceLab.- Enhancing the Shopping Experience with Ambient Displays: A Field Study in a Retail Store.- Expected Information Needs of Parents for Pervasive Awareness Systems.- Assemblies of Heterogeneous Technologies at the Neonatal Intensive Care Unit.- Improving Mobile Solution Workflows and Usability Using Near Field Communication Technology.