Combining Generative and Discriminative Approaches to Unsupervised Dependency Parsing via Dual Decomposition Yong Jiang author Wenjuan Han author Kewei Tu author 2017-09 text Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing Martha Palmer editor Rebecca Hwa editor Sebastian Riedel editor Association for Computational Linguistics Copenhagen, Denmark conference publication jiang-etal-2017-combining 10.18653/v1/D17-1177 https://aclanthology.org/D17-1177/ 2017-09 1689 1694