: course59http://learningsparql.com/ns/data# Create a prefix for http://learningsparql.com/ns/data# Hit Enter to save Double click to create a prefix | : courseTitlehttp://learningsparql.com/ns/addressbook# Create a prefix for http://learningsparql.com/ns/addressbook# Hit Enter to save Double click to create a prefix | Using SPARQL with non-RDF Data |