Content: Techniques and Technologies Positioning and Tracking Approaches and Technologies, Dorota Grejner-Brzezinska and Allison Kealy WiFi Location Fingerprinting, Prashant Krishnamurthy Geocoding Techniques and Technologies for Location-Based Services, Daniel W. Goldberg Multimodal Route Planning: Its Modeling and Computational Concerns, Lu Liu and Liqiu Meng New Trends Location-Based Social Networks, Prashant Krishnamurthy and Konstantinos Pelechrinis Geo-Crowdsourcing, Jessica G. Benner and Hassan A. Karimi Pedestrian Path Generation through GPS Traces, Piyawan Kasemsuppakorn and Hassan A. Karimi A CyberGIS Environment for Analysis of Location-Based Social Media Data, Shaowen Wang, Guofeng Cao, Zhenhua Zhang, Yanli Zhao, Anand Padmanabhan, and Kaichao Wu Services Multisensor Map Matching for Pedestrian and Wheelchair Navigation, Ming Ren and Hassan A. Karimi Security and Privacy in Location-Based Services, Mohd Anwar, Amirreza Masoumzadeh, and James Joshi How Using Location-Based Services Affects Our Understanding of Our Environment, Kai-Florian Richter The Open Geospatial Consortium and Location Service Standards, Carl Reed