Unsupervised Dependency Parsing using Reducibility and Fertility features David Mareček author Zdeněk Žabokrtský author 2012-06 text Proceedings of the NAACL-HLT Workshop on the Induction of Linguistic Structure Trevor Cohn editor Phil Blunsom editor Joao Graca editor Association for Computational Linguistics Montréal, Canada conference publication marecek-zabokrtsky-2012-unsupervised https://aclanthology.org/W12-1911/ 2012-06 84 89