What is the {agent} for {uses} of {communication}
What operator makes utilize of communication?
What agent makes use of communication?
SELECT DISTINCT ?e WHERE { ?e rdf:type ontology:agent . ?e property:uses resource:communication }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2283> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11024> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q24229398> } 
 select distinct ?sbj where { ?sbj wdt:P2283 wd:Q11024 . ?sbj wdt:P31 wd:Q24229398 } 