Controllable Abstractive Sentence Summarization with Guiding Entities Changmeng Zheng author Yi Cai author Guanjie Zhang author Qing Li 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 zheng-etal-2020-controllable 10.18653/v1/2020.coling-main.497 https://aclanthology.org/2020.coling-main.497/ 2020-12 5668 5678