![]() One of the components of this middleware architecture, the model and management of sensor descriptions, is described in more detail as it plays an important role in sensor discovery and replacement. This paper presents the architecture of a context management system that is reconfigurable with regard to sensor and/or network failure and can support dynamic discovery and replacement of sensors. As context information supports autonomous adaptation of applications, the provision of context information itself has to be managed by an autonomic system able to both recognise and recover from context delivery failures. On the other hand, pervasive computing environments are very dynamic environmentscontext information that supports adaptation decisions may not always be available due to user mobility and potential network and/or sensor failures. If the window is not valid, the return value is NULL. ![]() The DPIAWARENESSCONTEXT for the provided window. Syntax DPIAWARENESSCONTEXT GetWindowDpiAwarenessContext( in HWND hwnd ) Parameters in hwnd. Awareness ranges from closed (where patients are completely unaware and family and providers protect the secret) to open (where all parties communicate openly and honestly). Returns the DPIAWARENESSCONTEXT associated with a window. In pervasive computing user intervention/interactions with their application should be minimised. In 1965, Glaser and Strauss (1965) offered the concept of awareness contexts to explain what patients in hospitals do or don't know about their death trajectories. The surroundings of the device, relevant from the point of view of running an application, are often referred to by the term context. ![]() Context information may be of different types including sensed context information gathered from a variety of sensors. ABSTRACT The pervasive computing paradigm introduced context-aware applications that adapt themselves to their surrounding environment based on context information.
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