A Visual Paradigm for IoT Solutions Development - Interoperability and Open-Source Solutions for the Internet of Things - page 42

the code for IoT services can be generated and enacted over the OpenIoT middleware
platform.
Our visual paradigm for the modelling, development and deployment of IoT ser-
vices presents several distinct advantages. First it leverages standards-based semantic
models for sensors and IoT context, which boosts its wide adoption and technological
longevity. Second, it is based on web-based technologies (i.e. SPARQL, REST)
thereby opening up the exciting eld of IoT services development to the large pool of

web application developers. Third, it provides a basis for integrated development
of IoT services on the basis of an MDA realized based on W3C SSN. The production of
an integrated development environment for IoT applications is in progress as part of the
OpenIoT project. Another advantage of the presented paradigm is that it is imple-
mented as open source software as part of the OpenIoT open source project. The
availability of this open source implementation is expected to encourage community
developers to enhance our visual paradigm on the basis of new features, functionalities
and development tools for IoT services. Several such enhancements are already part of
the implementation roadmap of the OpenIoT open source project.

Acknowledgments. Part of this work has been carried out in the scope of the OpenIoT project
(FP7-287305) ( http://openiot.eu ) . The authors acknowledge help and contributions from all
partners of the project.

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