Question: What are the software whose operating systems are Mac OS and Microsoft Windows?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/operatingSystem> <http://dbpedia.org/resource/Mac_OS> . ?uri <http://dbpedia.org/ontology/operatingSystem> <http://dbpedia.org/resource/Microsoft_Windows> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Software>}