content.delete(0, content.length());
content.append("<html><code>");
final QueryEvaluator evaluator =((EvaluatorCreator.EVALUATORS) comboBoxEvaluator.getSelectedItem()).create();
this.processingQuery = true;
// do some initialization for federated queries...
ServiceApproaches serviceApproach = xpref.datatypes.EnumDatatype.getFirstValue("serviceCallApproach");
FederatedQueryBitVectorJoin.APPROACH bitVectorApproach = xpref.datatypes.EnumDatatype.getFirstValue("serviceCallBitVectorApproach");
bitVectorApproach.setup();
serviceApproach.setup();
FederatedQueryBitVectorJoin.substringSize = xpref.datatypes.IntegerDatatype.getFirstValue("serviceCallBitVectorSize");
FederatedQueryBitVectorJoinNonStandardSPARQL.bitvectorSize = FederatedQueryBitVectorJoin.substringSize;
LiteralFactory.semanticInterpretationOfLiterals = xpref.datatypes.BooleanDatatype.getFirstValue("semanticInterpretationOfDatatypes");
System.out.println("Configuration:" + pref.toString() + "\n\n");
SwingUtilities.invokeLater(new Runnable() {