What is the {business} for {developer} of {Skype}
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Which company developed Skype?
SELECT DISTINCT ?z WHERE { ?z rdf:type ontology:business . resource:Skype property:developer ?z }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q40984> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P178> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q4830453> } 
 select distinct ?obj where { wd:Q40984 wdt:P178 ?obj . ?obj wdt:P31 wd:Q4830453 } 
Skype Technologies