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Development of middleware architecture to realize context-aware service in smart home environment

Hyun-Wook Kim (Kwangwoon University, Department of Electronic Engineering, Seoul, Republic of Korea)
Hoque Robiul M. (Kwangwoon University, Department of Electronic Engineering, Seoul, Republic of Korea)
Hyungyu Seo (Kwangwoon University, Department of Electronic Engineering, Seoul, Republic of Korea)
Yang Sung-Hyun (Kwangwoon University, Department of Electronic Engineering, Seoul, Republic of Korea)

A smart home provides automated services based on the context of the home environment and user activity. Context acquiring, processing, reasoning, and disseminating to the services are complex tasks for a context-aware system. An appropriate middleware architecture could handle such complexity. In this paper, we proposed a middleware architecture for a context-aware system in smart home environment. Here, the context is modeled based on ontology using Web Ontology Language (OWL). In addition, a profile applied improved rule-based reasoning algorithm is integrated into this middleware to infer high-level contexts from available low-level contexts. Experimental result shows that the middleware provides more accurate and faster reasoning outcome compare with the traditional rule-based reasoning method. Moreover, context-aware service is also selected using the rule-based algorithm, where the service can be extended easily by adding new service rules in the service rule base.

Keywords: context-aware, middleware, ontology, profile, reasoning, service, smart home