“…In [8,9], we presented the mOntage framework, which allows for creating and populating domain ontologies from the data sources in the Linked Open Data cloud, which are all in the form of RDF, often available via SPARQL endpoints. In order to extend the framework to support structured data such as spreadsheets, XML, JSON and Relational Databases, we employ an RDF-Modeler, which, as its name suggests, models a variety of data formats as RDF.…”