Rewards with Negative Examples for Reinforced Topic-Focused Abstractive Summarization Khalil Mrini author Can Liu author Markus Dreyer author 2021-11 text Proceedings of the Third Workshop on New Frontiers in Summarization Giuseppe Carenini editor Jackie Chi Kit Cheung editor Yue Dong editor Fei Liu editor Lu Wang editor Association for Computational Linguistics Online and in Dominican Republic conference publication mrini-etal-2021-rewards 10.18653/v1/2021.newsum-1.4 https://aclanthology.org/2021.newsum-1.4/ 2021-11 33 38