An extensible framework for context-aware smart environments
ARCS'11 Proceedings of the 24th international conference on Architecture of computing systems
A context-driven development methodology for context-aware systems
ICHIT'11 Proceedings of the 5th international conference on Convergence and hybrid information technology
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This paper is about a software architecture, named WCAM (Watcher, Controller, Action, and Model), which reduces the complexity of context-aware systems by decoupling of concerns. We first introduce general requirements of context-aware systems. Next, we present our architecture pattern, WCAM. Watcher perceives external environment, and Controller manages the cooperation between Watcher and Model. Model gathers contextual information, interpret the information, and generate contexts for system. Action manages services that are related with contexts.