SPARQL_scripts.sql

//Various SPARQL queries - testing the ontology

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX : <http://www.semanticweb.org/user/ontologies/2018/8/untitled-ontology-5#>

SELECT ?x WHERE { ?x :genre_liked_by :Korbakis. }

SELECT ?nn ?mm WHERE { ?nn :is_of_genre :heavy_metal. }

SELECT ?x ?y WHERE { ?x :likes_genre ?y. }

SELECT ?x WHERE { ?x rdfs:subClassOf :Genre. }

SELECT ?x WHERE { ?x  rdf:type :User. }

SELECT ?x ?y WHERE { ?x rdf:type :User.
					?x :Birth_date ?y }

SELECT ?x WHERE { :Korbakis :Birth_date ?x. }

SELECT ?x ?y WHERE { ?x rdf:type :Record.
					?x :is_of_genre ?y. }
					
SELECT ?x ?y ?z WHERE { ?x rdf:type :Record.
						?x :is_of_genre ?y.
						?y :genre_liked_by ?z. }
						
SELECT ?x ?y WHERE { ?x rdf:type :Record.
						?x :is_of_genre ?y.
						?y :genre_liked_by :Korbakis. }