{ "items" : [
    { "id" : "http://dbpedia.org/resource/Quadrail"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Quadrail is a fictional intra-galactic rail system conceived by science fiction author Timothy Zahn. It first appeared in the novel Night Train to Rigel in 2005."] } } }
