A Two-Level Interpretation of Modality in Human-Robot Dialogue Lucia Donatelli author Kenneth Lai author James Pustejovsky 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 donatelli-etal-2020-two 10.18653/v1/2020.coling-main.373 https://aclanthology.org/2020.coling-main.373/ 2020-12 4222 4238