Question: Give me all communist countries.
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT DISTINCT ?uri WHERE { ?uri rdf:type onto:Country . { ?uri onto:governmentType res:Communism . } UNION { ?uri onto:governmentType res:Communist_state . } }