Question: Which locations have more than two caves?
SPARQL:
PREFIX onto: <http://dbpedia.org/ontology/> PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> SELECT DISTINCT ?uri ?string WHERE { ?cave rdf:type onto:Cave . ?cave onto:location ?uri . OPTIONAL {?uri rdfs:label ?string. FILTER (lang(?string) = 'en') } } HAVING (count(?cave) > 2)