TDT49 Mobile Information Systems, Jørgen Birkeland Pervasive Computing TDT49 Mobile Information Systems, Jørgen Birkeland

Looking ahead in pervasive computing: Challenges and opportunities in the era of cyber-physical convergence More real-world components interacting with cyberspace Modify physical world through actuators Real-time traffic monitoring, Urban planning Autonomic self-management and adoption Mobile social networking (ONC) Bandwidth, storage Quality of Information Seamless interoperation Cyber-world security and privacy

Navigating MazeMap: Indoor human mobility, spatio-logical ties and future potential Case study: Spatial and temporal distributions from MazeMap Indoor positioning system (IPS) MazeMap Trilateration Wayfinding Human mobility patterns Example usages

Toward a framework for evaluating ubiquitous computing apps Evaluate pervasive apps systematically Usability and acceptance issues Can help researchers: Compare results Create design guidelines Avoid overlooking key areas Reasons for the framework: Improve comparability: Terminology More effective evaluations Example use cases: Tour guide system Distraction: UAE: Attention - focus Confusion due to inaccurate user location UAE: Invisibility - accuracy UEA Metrics Attention Focus, Overhead Adoption Rate, Value, Cost, Availability, Flexibility Trust Privacy, awareness, control Conceptual models Predictability of app behaviour, awareness of app capabilities, vocabulary awareness Interaction Effectiveness, efficiency, user satisfaction, distraction, interaction transparency, scalability, collaborative interaction Invisibility Intelligibility, control, accuracy, customization Impact and side effects Utility, behaviour changes, social acceptance, environment change Appeal Fun, aesthetics, status App robustness Robustness, performance speed, volatility

Discussion Cyber-physical convergence security issues Use framework for evaluation Continuous development of MazeMap Info-flow cyber-physical world: Example: Real-time path finding system (MazeMap) UAE: App robustness – performance, speed MazeMap example of system visioned by Mark Weiser Proxemic interactions – cyber-world adapts to the physical world Context-aware systems