Discussion Tracker: Supporting Teacher Learning about Students’ Collaborative Argumentation in High School Classrooms Luca Lugini author Christopher Olshefski author Ravneet Singh author Diane Litman author Amanda Godley author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics: System Demonstrations Michal Ptaszynski editor Bartosz Ziolko editor International Committee on Computational Linguistics (ICCL) Barcelona, Spain (Online) conference publication lugini-etal-2020-discussion 10.18653/v1/2020.coling-demos.10 https://aclanthology.org/2020.coling-demos.10/ 2020-12 53 58