String jsonString = request.getParameter("schema");
JSONObject json = ParsingUtilities.evaluateJsonStringToObject(jsonString);
final RdfSchema schema = RdfSchema.reconstruct(json);
RdfRowVisitor visitor = new RdfRowVisitor(schema) {
final int limit = 10;
int _count;
@Override
public boolean visit(Project project, int rowIndex, Row row) {
if(_count>=limit){