{ "items" : [
    { "id" : "http://dbpedia.org/resource/Keystone_XO-15"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Keystone XO-15 was an American prototype observation aircraft, built by the Keystone Aircraft Corporation for the United States Army Air Corps, First flown in 1930, only a single prototype was built." ] ,
        "http://dbpedia.org/ontology/manufacturer" : [ "http://dbpedia.org/resource/Keystone_Aircraft" ] ,
        "http://dbpedia.org/ontology/productionEndYear" : [ "0001Z" ] ,
        "http://dbpedia.org/ontology/productionStartYear" : [ "0001Z" ] ,
        "http://dbpedia.org/ontology/type" : [ "http://dbpedia.org/resource/Surveillance_aircraft"] } } }
