Learning to Ask Good Questions: Ranking Clarification Questions using Neural Expected Value of Perfect Information Sudha Rao author Hal Daumé III author 2018-07 text Proceedings of the 56th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Iryna Gurevych editor Yusuke Miyao editor Association for Computational Linguistics Melbourne, Australia conference publication rao-daume-iii-2018-learning 10.18653/v1/P18-1255 https://aclanthology.org/P18-1255/ 2018-07 2737 2746