Question: What is the common product of the Apple Productivity Experience Group and services of the 21Vianet ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { res:Apple_Productivity_Experience_Group onto:product ?uri. res:21Vianet prop:services ?uri}