Keynotes -- Assistive Systems: A Paradigm Shift in Technology and Medical Care -- Qualitative Locomotion Patterns in Convex Spaces -- Innovative User Interfaces -- Mobile Interaction with Geo-Notes: A Gesture-Driven User Interface for Browsing User-Generated Content in Mobile Web Applications -- Realization of Tangible Mobile Human Machine Interfaces Using Wireless Personal Area Networks -- On-the-Fly Device Adaptation Using Progressive Contents -- Assistive Systems -- A Java-Based Approach for Consistent User Assistance in Distributed Heterogeneous Environments -- Service-Oriented University: Infrastructure for the University of Tomorrow -- Portable Real Time Needs Expression for People with Communication Disabilities -- Recommendation of Personalized Routes with Public Transport Connections -- KopAL - A Mobile Orientation System for Dementia Patients -- Smart Home Challenges and Approaches to Solve Them: A Practical Industrial Perspective -- Mobile Communication -- A Generic Framework for Using Interactive Visualization on Mobile Devices -- Speed-Dependent Camera Control in 3D Mobile Roadmaps -- Heterogeneous Communication in Smart Ensembles -- Context Awareness -- Location Based Logistics Services and Event Driven Business Process Management -- My World - Social Networking through Mobile Computing and Context Aware Application -- Semantics -- Challenges in Content Based, Semantically Decoupled Communication on Neighbor-Relations -- Towards a Spatial Position Information Management System for Interactive Building Environments -- Modelling Device Actions in Smart Environments -- System Development -- SPARK Rapid Prototyping Environment - Mobile Phone Development Made Easy -- Rapid Prototyping and Evaluation of Intention Analysis for Smart Environments -- Use Cases and Task Models as Driving Forces to Identify Requirements in Smart Environments -- Intelligence -- Creating AI Planning Domains for Smart Environments Using PDDL -- Finding Stops in Error-Prone Trajectories of Moving Objects with Time-Based Clustering -- Goal Understanding and Achievement for Humanoid Assistive Robots -- Security and Privacy -- Sequential Authentication Concept to Improve WLAN Handover Performance -- Simulation and Analysis of Ad Hoc Privacy Control in Smart Environments -- Passive Tracking of Transceiver-Free Users with RFID -- Short Papers -- A New Generation Digital Video Assist System with Intelligent Multi-Camera Control and Support for Creative Work on the Film Set -- RfM: A Radio Flashing Tool for Microcontrollers -- Adequate Assistance for Elderly People in Homely Rehab -- Self-adaptation for Deployment Decision Making -- Towards Building User-Centric Privacy-Respecting Collaborative Applications.