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>}
Which company builds Microsoft Azure and Microsoft Surface?
SELECT DISTINCT ?n WHERE { ?n property:product resource:Microsoft_Surface . ?n property:product resource:Microsoft_Azure . ?n rdf:type ontology:Company }
Microsoft
[Microsoft] is the company whose products are both Microsoft Azure and Microsoft Surface.
[Microsoft] is the company where products named Microsoft Azure and Microsoft Surface come from.