Context-aware modelling of continuous location-dependent queries in indoor environments

  • Authors:

  • Imad Afyouni;Sergio Ilarri;Cyril Ray;Christophe Claramunt

  • Affiliations:

  • Naval Academy Research Institute, 29240 Brest Cedex 9, France. E-mail: {imad.afyouni,cyril.ray,christophe.claramunt}@ecole-navale.fr;Department of Computer Science and Systems Engineering, University of Zaragoza, Maria de Luna 1, 50018 Zaragoza, Spain. E-mail: silarri@unizar.es;Naval Academy Research Institute, 29240 Brest Cedex 9, France. E-mail: {imad.afyouni,cyril.ray,christophe.claramunt}@ecole-navale.fr;Naval Academy Research Institute, 29240 Brest Cedex 9, France. E-mail: {imad.afyouni,cyril.ray,christophe.claramunt}@ecole-navale.fr

  • Venue:
  • Journal of Ambient Intelligence and Smart Environments - Context Awareness
  • Year:
  • 2013

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Abstract

Emerging and continuing advances in ambient systems and localization techniques have brought novel opportunities to develop context-aware navigation services in indoor environments. Diverse kinds of services delivered to the users can be provided by enabling real-time integration of contextual dimensions. In particular, continuous location-dependent queries can be considered as key elements for the development of different categories of context-aware services. However, most work on location-dependent query processing has been mainly oriented towards outdoor environments. This paper introduces a generic architecture for continuous location-dependent and navigation-related queries in indoor environments. A multi-level model of space is designed by taking into account contextual information and the hierarchical layout of an indoor environment. The semantics of a query language for continuous location-dependent queries are introduced, along with some motivating sample queries.