An Intelligent Service Middleware Based on Sensors in IoT Environments

In Internet of Things (IoT) environment, a number of sensors and devices exist and they have various and heterogeneous characteristics. Applications which provide a variety of services based on the sensors also have different service requirements. Therefore, a middleware that is located between sensors and application systems is needed for integrating two layers. This paper proposes a general purpose middleware for providing intelligent services based on heterogeneous sensors existing in IoT environment. The proposed middleware acquires and manages sensing data in real time. The middleware stores and manages heterogeneous sensors, node, and network metadata. Especially, the middleware in this paper includes a component for providing intelligent services based on inferencing the situation based on ontologies and rules.