Abstract
Interoperability remains a significant burden to the developers of Internet of Things’ Systems. This is due to the fact that the IoT devices are highly heterogeneous in terms of underlying communication protocols, data formats, and technologies. Secondly due to lack of worldwide acceptable standards, interoperability tools remain limited. In this paper, we proposed an IoT based Semantic Interoperability Model (IoT-SIM) to provide Semantic Interoperability among heterogeneous IoT devices in healthcare domain. Physicians communicate their patients with heterogeneous IoT devices to monitor their current health status. Information between physician and patient is semantically annotated and communicated in a meaningful way. A lightweight model for semantic annotation of data using heterogeneous devices in IoT is proposed to provide annotations for data. Resource Description Framework (RDF) is a semantic web framework that is used to relate things using triples to make it semantically meaningful. RDF annotated patients’ data has made it semantically interoperable. SPARQL query is used to extract records from RDF graph. For simulation of system, we used Tableau, Gruff-6.2.0, and Mysql tools.
Highlights
Internet of things (IoT) is a combination of spatially distributed smart objects which have sensing capabilities and embedded identification through RFID technology
We have proposed an IoT based Semantic Interoperability Model (IoT-SIM) model for Semantic Interoperability among heterogeneous IoT devices in healthcare domain
Further lightweight model for semantic annotation of data using heterogeneous devices in IoT has been proposed which is describing the communication among heterogenous IoT devices
Summary
Internet of things (IoT) is a combination of spatially distributed smart objects which have sensing capabilities and embedded identification through RFID technology. The integration of sensors, RFID tags, and communicating technologies forms the underpinning of IoT It addresses the traceability, visibility, and controllability of smart objects. In IoT, one vital issue is interoperability among smart objects that is the ability to interconnect and communicate different vendors’ systems to form a cost effective and easy to implement network. The IoT Forums from worldwide are working to develop a common model that can ensure interoperability among smart objects. Open Internet Consortium (OIC) is currently focusing on the IoT interoperability to define specifications, integration of billions of smart objects, and scalability issues (http://blogs.cisco.com/digital/iotmeets-standards-driving-interoperability-and-adoption). Resource Description Framework is used to provide Semantic Interoperability among physicians and patients using heterogeneous IoT devices. Communicating data between physician and patient is semantically annotated which solve the issue of interoperability among IoT devices. This paper is further divided into 5 sections: Literature Review, Proposed Scheme: IoT Based Semantic Interoperability Model (IoT-SIM), Semantic Annotations of Data Using Heterogeneous IoT Devices, Experiments and Results, and Conclusion and Future Work
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