Core Arguments in Universal Dependencies Daniel Zeman author 2017-09 text Proceedings of the Fourth International Conference on Dependency Linguistics (Depling 2017) Simonetta Montemagni editor Joakim Nivre editor Linköping University Electronic Press Pisa, Italy conference publication zeman-2017-core https://aclanthology.org/W17-6532/ 2017-09 287 296