Recent enhancements in location technologies reliability and precision are fostering the development of a new wave of applications that make use of the location information of user...
Claudio Agostino Ardagna, Marco Cremonini, Sabrina...
Outsourcing data to third party data providers is becoming a common practice for data owners to avoid the cost of managing and maintaining databases. Meanwhile, due to the populari...
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
—We propose an access control model that extends RBAC (Role-Based Access Control) to take time and location into account, and use term rewriting systems to specify access control...