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Lightweight semantic service modelling for IoT: an environment-based approach
by Qiang Wei; Zhi Jin; Lixing Li; Ge Li
International Journal of Embedded Systems (IJES), Vol. 8, No. 2/3, 2016


Abstract: Combining service-oriented architecture (SOA) with internet of things (IoT) has been paid more and more attentions for encapsulating the functionalities of heterogeneous devices as IoT services and enabling things to interact and communicate with each other. However, the intermittent disconnection of wireless network, resource-constrained and mobility natures of devices, etc., bring challenges to service modelling. The dynamics availability and context of IoT service have become important concerns among others. This paper proposes an environment-based approach for service modelling in IoT. The WSMO-Lite has been adopted as the lightweight semantic service model. Then, the WSMO-Lite is extended for allowing modelling the dynamic context and availability of service. Firstly, an environmental entity model has been supplied for capturing the context. Secondly, the availability of service is represented in three dimensions: 1) two additional properties, i.e., location and available time are included in the service model; 2) a resource and mobility related QoS model is attached; 3) the dynamic behaviour of service has been represented by probabilistic automata.

Online publication date: Tue, 26-Apr-2016


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