int workpackageNumber = Integer.valueOf(task.getElementsByTagName("workpackageNumber").item(0).getFirstChild().getNodeValue());
int taskNumber = Integer.valueOf(task.getElementsByTagName("taskNumber").item(0).getFirstChild().getNodeValue());
Resource jenaTask = model.createResource(gk+"t"+workpackageNumber+'-'+taskNumber);
jenaTask.addProperty(RDF.type, model.createResource(fp+"Task"));
jenaTask.addProperty(DCTerms.identifier, model.createLiteral("T"+workpackageNumber+'.'+taskNumber));
jenaTask.addProperty(workpackageProperty, model.createResource(gk+"wp"+workpackageNumber));
jenaTask.addLiteral(taskNumberProperty,model.createTypedLiteral(taskNumber,XSD.nonNegativeInteger.getURI()));
// title as rdfs:label
jenaTask.addLiteral(RDFS.label,model.createLiteral(task.getElementsByTagName("title").item(0).getFirstChild().getNodeValue().trim(),"en"));