Question: What are some magazines whose publishers are themselves Rock and Roll Hall of Fame members?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:award <http://dbpedia.org/resource/Rock_and_Roll_Hall_of_Fame> . ?uri onto:publisher ?x  . ?uri rdf:type onto:Magazine}