We invite submissions that address theoretical, technical, and practical issues of W2GIS and location-based services. Reports of on-going implementations are particularly welcome. Suggested topics include, but are not limited to:

* Geospatial databases and spatio-temporal data management
* Mobile spatial interaction
* Spatial search, GeoWeb search engines and services
* Spatially embedded social networks and the Web
* On-line spatial data mining
* GeoSensor data acquisition, processing, management and analysis
* Smart environments, Internet of Things and ambient spatial intelligence
* Exploratory cartography and Web and wireless geo interfaces
* Advanced GIS visualization techniques for Web and mobile applications
* Cyber-geography & augmented reality
* Map personalization and adaptation
* 3D modelling of cityscapes for location-based services
* Location-based service applications in both real-world and virtual spaces
* Ubiquitous and wireless GIS
* Security, privacy, and usability issues of Web and wireless environments
* Semantic geospatial Web and interoperability
* Telematics and GIS applications
* User studies and evaluations of online geo services
* Indoor and outdoor wayfinding and navigation
* Volunteered Geographic Information and crowdsourcing on the Web