}
if (subtitleFormula.length() != 0) {
concept.setProperty(LumifyProperties.SUBTITLE_FORMULA.getPropertyName(), subtitleFormula, authorizations);
} else {
concept.removeProperty(LumifyProperties.SUBTITLE_FORMULA.getPropertyName(), authorizations);
}
if (timeFormula.length() != 0) {
concept.setProperty(LumifyProperties.TIME_FORMULA.getPropertyName(), timeFormula, authorizations);
} else {