A Survey of Unsupervised Dependency Parsing Wenjuan Han author Yong Jiang author Hwee Tou Ng author Kewei Tu author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication han-etal-2020-survey 10.18653/v1/2020.coling-main.227 https://aclanthology.org/2020.coling-main.227/ 2020-12 2522 2533