Mobile and Ubiquitous Systems: Computing, Networking, and Services [recurso electrónico] 9th International Conference, MobiQuitous 2012, Beijing, China, December 12-14, 2012. Revised Selected Papers

This book constitutes the thoroughly refereed post-conference proceedings of the 9th International ICST Conference on Mobile and Ubiquitous Systems: Computing, Networking, and Services, MobiQuitous 2012, held in Beijing, China, Denmark, in December 2012. The revised full papers presented were carefully reviewed and selected from numerous submissions. They cover a wide range of topics such as localization and tracking, search and discovery, classification and profiling, context awareness and architecture, location and activity recognition. The proceedings also include papers from the best paper session and the industry track, as well as poster and demo papers. Front Matter....Pages - Traffic Density Estimation Protocol Using Vehicular Networks....Pages 1-12 Mobile-to-Mobile Video Recommendation....Pages 13-24 DualCodes: Backward Compatible Multi-layer 2D-Barcodes....Pages 25-36 A Collaborative Framework of Enabling Device Participation in Mobile Cloud Computing....Pages 37-49 Design and Evaluation of a Publish/Subscribe Framework for Ubiquitous Systems....Pages 50-63 Where am I? Using Mobile Sensor Data to Predict a User’s Semantic Place with a Random Forest Algorithm....Pages 64-75 Recognizing a Mobile Phone’s Storing Position as a Context of a Device and a User....Pages 76-88 Privacy Preserving Social Mobile Applications....Pages 89-102 Fine-Grained Transportation Mode Recognition Using Mobile Phones and Foot Force Sensors....Pages 103-114 Towards In-network Aggregation for People-Centric Sensing....Pages 115-126 Smartphone Sensor Reliability for Augmented Reality Applications....Pages 127-138 Differential Private Trajectory Obfuscation....Pages 139-151 CooS: Coordination Support for Mobile Collaborative Applications....Pages 152-163 Spitty Bifs are Spiffy Bits: Interest-Based Context Dissemination Using Spatiotemporal Bloom Filters....Pages 164-175 Trust Evaluation for Participatory Sensing....Pages 176-187 HealthyLife : An Activity Recognition System with Smartphone Using Logic-Based Stream Reasoning....Pages 188-199 GroupMe: Supporting Group Formation with Mobile Sensing and Social Graph Mining....Pages 200-211 Locus: An Indoor Localization, Tracking and Navigation System for Multi-story Buildings Using Heuristics Derived from Wi-Fi Signal Strength....Pages 212-223 Honeybee: A Programming Framework for Mobile Crowd Computing....Pages 224-236 A Trust Framework for Social Participatory Sensing Systems....Pages 237-249 Adapting the Obtrusiveness of Service Interactions in Dynamically Discovered Environments....Pages 250-262 Efficient Position Sharing for Location Privacy Using Binary Space Partitioning....Pages 263-275 MES: A System for Location-Aware Smart Messaging in Emergency Situations....Pages 276-288 Back Matter....Pages -