Question: Which company builds Microsoft Azure and Microsoft Surface?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/product> <http://dbpedia.org/resource/Microsoft_Azure> . ?uri <http://dbpedia.org/ontology/product> <http://dbpedia.org/resource/Microsoft_Surface> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Company>}