var_dump /eurovoc /concepts/5991
object(Concept)#5013 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100288)
    }
    ["prefLabel"]=>
    object(MLString)#5014 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(47) "Organisation internationale pour les migrations"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(40) "International Organisation for Migration"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#5015 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(5) {
          [0]=>
          string(47) "Comité intergouvernemental pour les migrations"
          [1]=>
          string(3) "CIM"
          [2]=>
          string(60) "Comité intergouvernemental pour les migrations européennes"
          [3]=>
          string(4) "CIME"
          [4]=>
          string(3) "OIM"
        }
        ["en"]=>
        array(6) {
          [0]=>
          string(3) "ICM"
          [1]=>
          string(4) "ICME"
          [2]=>
          string(3) "IOM"
          [3]=>
          string(50) "Intergovernmental Committee for European Migration"
          [4]=>
          string(41) "Intergovernmental Committee for Migration"
          [5]=>
          string(40) "International Organization for Migration"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(2188)
    }
    ["related"]=>
    array(1) {
      [0]=>
      int(1909)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(5991)
    }
  }
}