ViziQuer/web Tool for RDF Data Analysis Queries A Hospital Data Example
ViziQuer/web main page	Visit ViziQuer/web main page for the most recent developments of the visual query tool.
Visual query endpoint	The visual query engine is here (http://185.23.162.165/) Use Google Chrome for best experience. A brief tool usage instruction can be viewed here.
Hospital data ontology	The following figure illustrates a hospital data ontology (data schema) built into the visual query endpoint. The names of properties connecting the classes, if not specified, coincide with the target class name with lowercase first letter. There is default cardinality 1 assumption for all properties.
User study queries	The user study queries, as shown to Latvian medicine students, with vocabulary translated into English are available, as the following image. The user study itself is described in Extended UML Class Diagram Constructs for Visual SPARQL Queries in ViziQuer/web. at VOILA! 2017
Further query examples	The following image illustrates a number of further query examples, including practical ones over the hospital data.