protected function processVocabularyTerm($definition, array &$prefices, array &$vocabularies)
    {
        $prefixName = explode(':', $definition->{'@id'}, 2);
        if (count($prefixName) == 2) {
            if (isset($prefices[$prefixName[0]])) {
                $vocabularies[$prefices[$prefixName[0]]][$prefixName[1]] = true;
            }
        }
    }