An important problem that confronts data grid applications is to efficiently locate the node that stores a particular data replica. This paper proposes a Hierarchical Replica Loca...
Sensors’ locations play a critical role in many sensor network applications. A number of techniques have been proposed recently to discover the locations of regular sensors base...
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
Gabriel Ghinita, Panos Kalnis, Ali Khoshgozaran, C...
With the increasing use of mobile and nomadic communication devices requirements for security and privacy are rising as well. Following brief surveys of existing approaches to mob...
In many applications of wireless sensor networks, sensor nodes are manually deployed in hostile environments where an attacker can disrupt the localization service and tamper with...