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Future Internet 2018, 10(8), 81;

Interactive 3D Exploration of RDF Graphs through Semantic Planes

Department of Computer Science and Engineering (DISI), University of Bologna, 40126 Bologna, Italy
Advanced Research Center on Electronic Systems “Ercole De Castro” (ARCES), University of Bologna, 40125 Bologna, Italy
Centro Nazionale per la Ricerca e Sviluppo nelle Tecnologie Informatiche e Telematiche (INFN CNAF), 40127 Bologna, Italy
Author to whom correspondence should be addressed.
Received: 19 July 2018 / Revised: 13 August 2018 / Accepted: 14 August 2018 / Published: 17 August 2018
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This article presents Tarsier, a tool for the interactive 3D visualization of RDF graphs. Tarsier is mainly intended to support teachers introducing students to Semantic Web data representation formalisms and developers in the debugging of applications based on Semantic Web knowledge bases. The tool proposes the metaphor of semantic planes as a way to visualize an RDF graph. A semantic plane contains all the RDF terms sharing a common concept; it can be created, and further split into several planes, through a set of UI controls or through SPARQL 1.1 queries, with the full support of OWL and RDFS. Thanks to the 3D visualization, links between semantic planes can be highlighted and the user can navigate within the 3D scene to find the better perspective to analyze data. Data can be gathered from generic SPARQL 1.1 protocol services. We believe that Tarsier will enhance the human friendliness of semantic technologies by: (1) helping newcomers assimilate new data representation formats; and (2) increasing the capabilities of inspection to detect relevant situations even in complex RDF graphs. View Full-Text
Keywords: semantic web; linked data; internet of things; visualization; 3D; computer graphics semantic web; linked data; internet of things; visualization; 3D; computer graphics

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Viola, F.; Roffia, L.; Antoniazzi, F.; D’Elia, A.; Aguzzi, C.; Salmon Cinotti, T. Interactive 3D Exploration of RDF Graphs through Semantic Planes. Future Internet 2018, 10, 81.

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