A service-oriented middleware for building context-aware services
Journal of Network and Computer Applications
Pervasive behavior tracking for cognitive assistance
Proceedings of the 1st international conference on PErvasive Technologies Related to Assistive Environments
Topological analysis of 3D building models using a spatial query language
Advanced Engineering Informatics
Management of large spatial ontology bases
ODBIS'05/06 Proceedings of the First and Second VLDB conference on Ontologies-based databases and information systems
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Indoor location systems allow for the integration of more and more daily life objects into the smart home environment model. Consequently, managing the spatiotemporal data of things is becoming increasingly challenging. In this article, we propose a 3D geometrical approach to spatiotemporal object management and analysis based on the adaptation of the spatial database concept. We use the DOMUS apartment at Université de Sherbrooke as a reference environment for 3D modeling of smart homes. We present a sample of 3D spatial analysis functions implemented in the DBMS to illustrate the use of the geometric model in providing smart home indoor location-based services.