var_dump /eurovoc /concepts/4623
object(Concept)#13565 (1) {
  ["_c":protected]=>
  array(5) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100207)
    }
    ["prefLabel"]=>
    object(MLString)#13566 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(1) {
          [0]=>
          string(15) "price reduction"
        }
        ["fr"]=>
        array(1) {
          [0]=>
          string(15) "baisse des prix"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#13567 (1) {
      ["_c":protected]=>
      array(2) {
        ["en"]=>
        array(4) {
          [0]=>
          string(14) "drop in prices"
          [1]=>
          string(14) "fall in prices"
          [2]=>
          string(14) "price decrease"
          [3]=>
          string(19) "reduction of prices"
        }
        ["fr"]=>
        array(2) {
          [0]=>
          string(13) "chute de prix"
          [1]=>
          string(18) "diminution de prix"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(1039)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(4623)
    }
  }
}