The wide spread of location-based services results in a strong market for location-detection devices (e.g., GPS-like devices, RFIDs, handheld devices, and cellular phones). Example...
Facility location problems have always been studied with the assumption that the edge lengths in the network are static and do not change over time. The underlyingnetwork could be ...
Microsoft has proposed an identity metasystem to standardize identity services and the principles behind them. A location metasystem can support interoperation between location se...
—Location information should be verifiable in order to support new computing and information services. In this paper, we adapt the classical challenge-response method for authen...
In this work, we develop a novel mathematical model to analyze di erent location update protocols for mobile cellular network. Our model can capture many important features of use...