What is the {aircraft component} for {manifestation of} of {Global Positioning System}
which was the air ship component for the appearance of Worldwide Situating Framework?
which was the aircraft component for the manifestation of Global Positioning System?
SELECT DISTINCT ?f WHERE { ?f rdf:type ontology:aircraft_component . resource:Global_Positioning_System property:manifestation_of ?f }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q18822> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1557> . ?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/Q28816538> } 
 select distinct ?obj where { wd:Q18822 wdt:P1557 ?obj . ?obj wdt:P31 wd:Q28816538 } 