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

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

    { "id" : "http://webisa.webdatacommons.org/concept/oil_tanker_"
      "properties" : {
        "http://www.w3.org/2004/02/skos/core#broader" : [ "http://webisa.webdatacommons.org/concept/oceangoing_vessel_"] } } }
