{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/concept/electric_car_"
      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/alternate+fuel_vehicle_" ] } },

    { "id" : "http://webisa.webdatacommons.org/concept/natural_gas_"
      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/alternate+fuel_vehicle_" ] } },

    { "id" : "http://webisa.webdatacommons.org/concept/_hybrid_"
      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/alternate+fuel_vehicle_"] } } }
