UDon2: a library for manipulating Universal Dependencies trees Dmytro Kalpakchi author Johan Boye author 2020-12 text Proceedings of the Fourth Workshop on Universal Dependencies (UDW 2020) Marie-Catherine de Marneffe editor Miryam de Lhoneux editor Joakim Nivre editor Sebastian Schuster editor Association for Computational Linguistics Barcelona, Spain (Online) conference publication kalpakchi-boye-2020-udon2 https://aclanthology.org/2020.udw-1.14/ 2020-12 120 125