{ "items" : [
    { "id" : "http://dbpedia.org/resource/Smart_glass"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Smart glass or switchable glass (also smart windows or switchable windows in those applications) is glass or glazing whose light transmission properties are altered when voltage, light or heat is applied."] } } }
