GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
Early applications of smart cards have focused in the area of personal security. Recently, there has been an increasing demand for networked, multi-application cards. In this new ...
Ana Azevedo, Arun Kejariwal, Alexander V. Veidenba...
Publish/subscribe messaging is a fundamental mechanism for interconnecting disparate services and systems in the service-oriented computing architecture. The quality of services (Q...
Hao Yang, Minkyong Kim, Kyriakos Karenos, Fan Ye, ...
Data sharing on public servers has become a popular service on the Internet, in which users can store and share data with other users through public servers. However, because the ...