Abstract
The Internet of Things (IoT) is an infrastructure that interconnects uniquely-identifiable devices using the Internet. By interconnecting everyday appliances, various monitoring, and physical mashup applications can be constructed to improve human’s daily life. In general, IoT devices provide two main capabilities: sensing and tasking capabilities. While the sensing capability is similar to the World-Wide Sensor Web, this research focuses on the tasking capability. However, currently, IoT devices created by different manufacturers follow different proprietary protocols and are locked in many closed ecosystems. This heterogeneity issue impedes the interconnection between IoT devices and damages the potential of the IoT. To address this issue, this research aims at proposing an interoperable solution called tasking capability description that allows users to control different IoT devices using a uniform web service interface. This paper demonstrates the contribution of the proposed solution by interconnecting different IoT devices for different applications. In addition, the proposed solution is integrated with the OGC SensorThings API standard, which is a Web service standard defined for the IoT sensing capability. Consequently, the Extended SensorThings API can realize both IoT sensing and tasking capabilities in an integrated and interoperable manner.
Highlights
This paper demonstrates the contribution of the proposed solution by interconnecting different Internet of Things (IoT) devices for different applications
The proposed solution is integrated with the Open Geospatial Consortium (OGC) SensorThings Application Programming Interface (API) standard, which is a Web service standard defined for the IoT sensing capability
This study aims to define an interoperable solution for the IoT tasking capability
Summary
At the early stage of the IoT, the main focus of IoT was to identify and track every physical thing, and many applications such as warehouse management and logistics applications applied RFID technology to prove the concept [1,3]. The International Telecommunication Union (ITU) defined the IoT as “a global infrastructure for the information society, enabling advanced services by interconnecting (physical and virtual) things based on existing and evolving interoperable information and communication technologies [4]”. ITU shows that every physical thing can have a virtual identity in the information world. Through those virtual identities, every thing can interconnect and communicate with each other
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