Unsupervised Methods for Head Assignments Federico Sangati author Willem Zuidema author 2009-03 text Proceedings of the 12th Conference of the European Chapter of the ACL (EACL 2009) Alex Lascarides editor Claire Gardent editor Joakim Nivre editor Association for Computational Linguistics Athens, Greece conference publication sangati-zuidema-2009-unsupervised https://aclanthology.org/E09-1080/ 2009-03 701 709