@Override
 public Country getCountryIdentifier() {
   RDFNode countryIdentifier = getPropertyValue(mdrDatabase.getVocabulary().countryIdentifier);
   if (countryIdentifier == null) {
     logger.debug("LanguageIdentification does not have countryIdentifier");
     return null;
   }
   return Country.getByValue(countryIdentifier.asLiteral().getString());
 }