RepositorySail sail = new RepositorySail(repo);
sail.disableInference();
if (enableLogging) {
File logFile = new File("/tmp/twitlogic-ag-sail.log");
Sail recorderSail;
try {
recorderSail = new RecorderSail(sail, new FileOutputStream(logFile));
} catch (FileNotFoundException e) {
throw new SailException(e);
}