Question: How many airlines are members of the Star Alliance?
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/> PREFIX dbp: <http://dbpedia.org/ontology/> PREFIX res: <http://dbpedia.org/resource/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> SELECT COUNT(DISTINCT ?uri) WHERE { ?uri rdf:type dbo:Airline . ?uri dbp:alliance res:Star_Alliance . }