Location- and Context-Awareness

This book constitutes the refereed proceedings of the Third International Symposium on Location- and Context-Awareness, LoCA 2007, held in Oberpfaffenhofen, Germany, in September 2007. The papers are organized in topical sections on wifi location technology, activity and situational awareness, taxonomies, architectures, and in a broader perspective, the meaning of place, radio issue in location technology, and new approaches to location estimation.

Inhalt

Bootstrapping a Location Service Through Geocoded Postal Addresses.- Deployment, Calibration, and Measurement Factors for Position Errors in 802.11-Based Indoor Positioning Systems.- LifeTag: WiFi-Based Continuous Location Logging for Life Pattern Analysis.- Scalable Recognition of Daily Activities with Wearable Sensors.- Information Overlay for Camera Phones in Indoor Environments.- SocialMotion: Measuring the Hidden Social Life of a Building.- A Unified Semantics Space Model.- Federation and Sharing in the Context Marketplace.- A Taxonomy for Radio Location Fingerprinting.- Inferring the Everyday Task Capabilities of Locations.- The Whereabouts Diary.- Adaptive Learning of Semantic Locations and Routes.- Signal Dragging: Effects of Terminal Movement on War-Driving in CDMA/WCDMA Networks.- Modeling and Optimizing Positional Accuracy Based on Hyperbolic Geometry for the Adaptive Radio Interferometric Positioning System.- Inferring Position Knowledge from Location Predicates.- Preserving Anonymity in Indoor Location System by Context Sensing and Camera-Based Tracking.- Localizing Tags Using Mobile Infrastructure.