University of Szeged, Department of Informatics, Human Language Technology Group, Arpád tér 2, Szeged, Hungary. vinczev@inf.u-szeged.hu|University of Szeged, Department of Informatics, Human Language Technology Group, Arpád tér 2, Szeged, Hungary. vinczev@inf.u-szeged.hu|University of Szeged, Department of Informatics, Human Language Technology Group, Arpád tér 2, Szeged, Hungary. vinczev@inf.u-szeged.hu|University of Szeged, Department of Informatics, Human Language Technology Group, Arpád tér 2, Szeged, Hungary. vinczev@inf.u-szeged.hu|University of Szeged, Department of Informatics, Human Language Technology Group, Arpád tér 2, Szeged, Hungary. vinczev@inf.u-szeged.hu