Middleware Support for Context-aware Applications

With computing devices becoming more mobile and pervasive, a stronger interaction between an application and its changing environment opens new horizons in terms of application functionalities. Location-based applications, such as GPS navigation systems, are good examples of how information provided to an application on its surroundings offers new kinds of functionalities. Location is one of many environmental variables that might influence the behavior of an application. The notion of context encompasses these variables in the broad sense