Supervised Identification of Participant Slots in Contracts Dan Simonson author 2021-11 text Proceedings of the Natural Legal Language Processing Workshop 2021 Nikolaos Aletras editor Ion Androutsopoulos editor Leslie Barrett editor Catalina Goanta editor Daniel Preotiuc-Pietro editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication simonson-2021-supervised 10.18653/v1/2021.nllp-1.17 https://aclanthology.org/2021.nllp-1.17/ 2021-11 163 171