A Survey on Context-Aware Systems.
International Journal of Ad Hoc and Ubiquitous Computing, 2 (4):
263-277 (2007)Abstract
Context-aware systems offer entirely new opportunities for application developers and
for end users by gathering context data and adapting systems behaviour accordingly. Especially
in combination with mobile devices these mechanisms are of high value and are used to
increase usability tremendously. In this paper, we present common architecture principles of
context-aware systems and derive a layered conceptual design framework to explain the different
elements common to most context-aware architectures. Based on these design principles, we
introduce various existing context-aware systems focusing on context-aware middleware and
frameworks, which ease the development of context-aware applications. We discuss various
approaches and analyse important aspects in context-aware computing on the basis of the
presented systems.
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