[ {
  "@id" : "http://semantics.gr/authorities/ekt-unesco/901276465",
  "http://www.w3.org/2004/02/skos/core#broader" : [ {
    "@id" : "http://semantics.gr/authorities/ekt-unesco/2031350917"
  } ],
  "http://www.w3.org/2004/02/skos/core#prefLabel" : [ {
    "@value" : "Χαλκός",
    "@language" : "el"
  }, {
    "@value" : "Copper",
    "@language" : "en"
  } ],
  "@type" : [ "http://www.w3.org/2004/02/skos/core#Concept" ]
} ]