Two-level classification for dialogue act recognition in task-oriented dialogues Philippe Blache author Massina Abderrahmane author Stéphane Rauzy author Magalie Ochs author Houda Oufaida 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 blache-etal-2020-two 10.18653/v1/2020.coling-main.431 https://aclanthology.org/2020.coling-main.431/ 2020-12 4915 4925