A semantic-based architecture for sensor networks

With rapid development of sensor networks technology, it becomes feasible to deploy multiple sensor networks in relevant area to collect interested information. Sensor nodes that are co-located but belong to different sensor networks may not be able to collaborate properly to gain the capacity or performance. In this paper we propose a semantic-based sensor networks architecture that enables inter-networking of sensor networks. In this Semantic Sensor Net (Ssn), a semantic tag is attached to the sensory data so that the sensor networks are able to exchange information and work collaboratively. The process of semantic creation and maintenance is described. We also introduce the concept of InterSensorNet. This infrastructure enables efficient information exchange and information extraction among multiple sensor networks.RésuméLes développements rapides de la technologie des réseaux de capteurs permettent un déploiement de plusieurs réseaux dans des zones considérées comme intéressantes. Les nuds capteurs qui sont physiquement proches mais qui appartiennent à des réseaux différents ne sont en général pas capables de collaborer pour améliorer leurs performances. Dans cet article, on propose une architecture de réseaux de capteurs fondée sur la sémantique qui permet l’interopérabilité des réseaux. Dans cette architecture, une étiquette sémantique est jointe aux données de telle sorte que les réseaux de capteurs soient capables d’échanger de l’information pour coopérer. On décrit les processus de création sémantique et de maintenance. On introduit également le concept InterSensorNet qui permet un échange efficace d’information et une extraction de l’information à partir de plusieurs réseaux de capteurs.

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