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, Volume 42, Issue 3, pp 445–464 | Cite as

Context Awareness in Mobile Computing Environments

  • Christos B. AnagnostopoulosEmail author
  • Athanasios Tsounis
  • Stathes Hadjiefthymiades
Article

Abstract

In this article, we report software architectures for context awareness in mobile computing environments, sensor centric systems and discuss context modeling issues. Defining an architecture for supporting context-aware applications for mobile devices explicitly implies a scalable description of how to represent contextual information and which are the abstraction models capable of handling such information. Using sensors to retrieve contextual information (e.g., user location) leads to a sensor network scheme that provides services to the applications level. Operations for capturing, collating, storing, and disseminating contextual information at the lowest level and aggregating it into increasingly more abstract models qualify the context-aware systems. In this article, we introduce context aware systems in mobile computing environments, review the basic mechanisms underlying the operation of such systems, and discuss notable work and important architectures in the area.

Keywords

context definition context modeling context-aware applications 

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Copyright information

© Springer 2006

Authors and Affiliations

  • Christos B. Anagnostopoulos
    • 1
    Email author
  • Athanasios Tsounis
    • 1
  • Stathes Hadjiefthymiades
    • 1
  1. 1.Pervasive Computing Research Group, Communication Networks Laboratory, Department of Informatics and TelecommunicationsUniversity of AthensAthensGreece

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