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Sensors 2017, 17(7), 1586; doi:10.3390/s17071586

An Ontology-based Context-aware System for Smart Homes: E-care@home

1
Center for Applied Autonomous Sensor Systems, Örebro University, 70182 Örebro, Sweden
2
RISE SICS East, 581 83 Linköping, Sweden
3
RISE SICS, 164 29 Stockholm, Sweden
*
Author to whom correspondence should be addressed.
Received: 31 May 2017 / Revised: 27 June 2017 / Accepted: 4 July 2017 / Published: 6 July 2017
(This article belongs to the Special Issue Context Aware Environments and Applications)
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Abstract

Smart home environments have a significant potential to provide for long-term monitoring of users with special needs in order to promote the possibility to age at home. Such environments are typically equipped with a number of heterogeneous sensors that monitor both health and environmental parameters. This paper presents a framework called E-care@home, consisting of an IoT infrastructure, which provides information with an unambiguous, shared meaning across IoT devices, end-users, relatives, health and care professionals and organizations. We focus on integrating measurements gathered from heterogeneous sources by using ontologies in order to enable semantic interpretation of events and context awareness. Activities are deduced using an incremental answer set solver for stream reasoning. The paper demonstrates the proposed framework using an instantiation of a smart environment that is able to perform context recognition based on the activities and the events occurring in the home. View Full-Text
Keywords: ambient assisted living; context awareness; Internet of Things; ontologies; activity recognition; smart homes ambient assisted living; context awareness; Internet of Things; ontologies; activity recognition; smart homes
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Alirezaie, M.; Renoux, J.; Köckemann, U.; Kristoffersson, A.; Karlsson, L.; Blomqvist, E.; Tsiftes, N.; Voigt, T.; Loutfi, A. An Ontology-based Context-aware System for Smart Homes: E-care@home. Sensors 2017, 17, 1586.

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