A Context-Source Abstraction Layer for Context-aware Middleware

  • Authors:

  • Weijie Chu;Weiping Li;Tong Mo;Zhonghai Wu

  • Affiliations:

  • -;-;-;-

  • Venue:
  • ITNG '11 Proceedings of the 2011 Eighth International Conference on Information Technology: New Generations
  • Year:
  • 2011

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Abstract

Context-aware applications demand for a distributed middleware that can collect, aggregate and deliver contextual data for applications. This paper presents one of the main components, Context-Sources Abstraction (CSA), in a middleware for building context-aware applications. The CSA component includes a set of query interfaces and an event notification mechanism to applications. In this way, the access to the hardware are encapsulated by the middleware and virtualized to the end-point applications. The architecture of the CSA and the common functions of CSA are discussed.