Question: Which writers studied in Istanbul?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri a <http://dbpedia.org/ontology/Writer> . { ?uri <http://dbpedia.org/ontology/almaMater> ?x . } UNION { ?uri <http://dbpedia.org/ontology/education> ?x . } { ?x <http://dbpedia.org/ontology/city> <http://dbpedia.org/resource/Istanbul> . } UNION { ?x <http://dbpedia.org/property/city> <http://dbpedia.org/resource/Istanbul> . } }