Advances in sensing and tracking technology enable location-based applications but they also create significant privacy risks. Anonymity can provide a high degree of privacy, save...
Mobile information community develops quickly, as mobile telecommunication technology matches to the third generation. XML-based GIS becomes a global standard and the foundation. R...
We present an open, decentralized, participatory system which realizes location-based services by gently extending the existing World Wide Web. Utilizing a geospatial search engin...
In the development of location-based services, various location-sensing techniques and experimental/commercial services have been used. However, conventional location-based service...
Location based services in mobile environments have been recognized as a challenging problem that calls for new service models and dynamic strategies. The problem becomes even har...