code: public String getQualifiedName() {
  		if (prefixManager != null) {
  			String shortName = prefixManager.getShortForm(getFullName());
  			if (shortName.startsWith(":")) {
  				return shortName.substring(1, shortName.length());
  			} else {
  				return shortName;
  			}
  		} else {
  			return getFullName();
  		}
  	}
docs: Obtains the short name from the full predicate URI. The method will omit the
  default prefix ":".