Controlling the Specificity of Clarification Question Generation Yang Trista Cao author Sudha Rao author Hal Daumé III author 2019-08 text Proceedings of the 2019 Workshop on Widening NLP Amittai Axelrod editor Diyi Yang editor Rossana Cunha editor Samira Shaikh editor Zeerak Waseem editor Association for Computational Linguistics Florence, Italy conference publication cao-etal-2019-controlling https://aclanthology.org/W19-3619/ 2019-08 53 56