Global smart spaces, middleware, spatial programming, context-aware applications
R. Meier, A. Harrington, K. Beckmann, and V. Cahill, A Framework for Incremental Construction of Real Global Smart Space Applications, Elsevier Pervasive and Mobile Computing, 5, 4, 2009, 350 - 368
Elsevier Pervasive and Mobile Computing 5 4
This article describes a standardised way to build context-aware global smart space applications using information that is distributed across independent (legacy, sensor-enabled, and embedded) systems by exploiting the overlapping spatial and temporal attributes of the information maintained by these systems. The framework supports a spatial programming model based on a topographical approach to modelling space that enables systems to independently define and use potentially overlapping spatial context in a consistent manner and in contrast to topological approaches, in which geographical relationships between objects are described explicitly. This approach is supported by an extensible data model that implicitly captures the relationships between information provided by separate underlying systems and facilitates the incremental construction of global smart spaces since the underlying systems to be incorporated are largely decoupled. The framework has been evaluated using a prototype that integrates legacy systems and context-aware services for multi-modal urban journey planning and for visualising traffic congestion.
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