Question: Whose provides the service of  Outlook and also products  such as Visual Studio?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/services> <http://dbpedia.org/resource/Outlook.com> . ?uri <http://dbpedia.org/property/products> <http://dbpedia.org/resource/Microsoft_Visual_Studio> . }