Model result = qe.execDescribe();
//result.setNsPrefixes(model.getNsPrefixMap());
SparqlHttpResultFormatter.format(res, result, format);
qe.close();
} else if (isConstructQuery()) { // CONSTRUCT
Model result = qe.execConstruct();
//result.setNsPrefixes(model.getNsPrefixMap());
SparqlHttpResultFormatter.format(res, result, format);
qe.close();
} else {
logger.error("Unsupported query type");