We are already in the middle of era of automated machine communication. With a goal to integrate various systems and components (devises, sensors/actuators, applications and services, communication channels, etc.), we are approaching Internet of Things - a forthcoming technological revolution that will radically change our environment and enable innovative applications and services. Every minute huge amount of data is exchanged between machines for various purposes within various sectors. To achieve interoperability between heterogeneous things and move beyond application-specific devices, IoT will require interoperability at multiple levels and rely on the benefits of the semantic technologies at data communication level in particular. To make machine-to-machine communication flexible and allow interoperability between heterogeneous smart entities, Semantic Web is a really important concept to make this feasible.
Domain Ontology creation and visualization is a key concept in the worl
d of Semantic Web, which is to characterize the domain into classes and describing each class through object and data properties. Currently there are a lot of tools available which allow creation and visualization of ontology like Protégé, NeOn Toolkit, Neologism, OWLGrEd and many more. All of them don’t provide a better user interface to the user to create and visualize domain ontology with better usability and context of the class and properties. The widgets ontology will allow the creation and visualization will allow the users a better more contextual way to capture and visualize the domain. The scope of this thesis is limited to data properties only.
The research method used is constructive, as there would be a new module would added to the world of Semantic Web and context based GUI would be proposed in this paper.
The end result of this module would a system which has more semantically annotated and easy to use system which gives in depth details about all the properties for example for data property like location or address, there would be a map on which you can mention the address, for temperature there would be a temperature gauge rather than a text field on which you can mention the temperature and much more.
While user creates domain ontology using domain ontology creator tool, he is given suggestions to add the widgets ontologies to choose from according to the domain he is creating ontology for. User selects the relevant widgets ontology and the widgets are imported into the visualization of the tool and user can see the widgets while creating and visualizing the data properties.
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