Contextual Argument Component Classification for Class Discussions Luca Lugini author Diane Litman 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 lugini-litman-2020-contextual 10.18653/v1/2020.coling-main.128 https://aclanthology.org/2020.coling-main.128/ 2020-12 1475 1480