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Issue No.04 - October-December (2004 vol.3)
pp: 66-74
Tao Gu , National University of Singapore
Hung Keng Pung , National University of Singapore
Da Qing Zhang , Institute for Infocomm Research
ABSTRACT
Future applications and services must be sensitive to their changing contexts in highly dynamic environments, such as in mobile and pervasive computing, and adapt accordingly. In this paper, we propose an OSGi-based context-aware infrastructure for building context-aware services in a smart home environment. The core of our infrastructure is a context-aware middleware which provides efficient support for context acquisition, context discovery and context reasoning. We also propose a formal context model based on ontology to enable semantic context representation, context reasoning and knowledge sharing. The middleware is integrated with the OSGi service platform to ensure a reliable and secure delivery and management of context-aware services. We describe our architecture and context model, and present a performance evaluation for our prototype.
INDEX TERMS
Context-aware Middleware; OSGi Service Platform; Context Model
CITATION
Tao Gu, Hung Keng Pung, Da Qing Zhang, "Toward an OSGi-Based Infrastructure for Context-Aware Applications", IEEE Pervasive Computing, vol.3, no. 4, pp. 66-74, October-December 2004, doi:10.1109/MPRV.2004.19
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