Improving Factual Consistency of Abstractive Summarization on Customer Feedback Yang Liu author Yifei Sun author Vincent Gao author 2021-08 text Proceedings of the 4th Workshop on e-Commerce and NLP Shervin Malmasi editor Surya Kallumadi editor Nicola Ueffing editor Oleg Rokhlenko editor Eugene Agichtein editor Ido Guy editor Association for Computational Linguistics Online conference publication liu-etal-2021-improving-factual 10.18653/v1/2021.ecnlp-1.19 https://aclanthology.org/2021.ecnlp-1.19/ 2021-08 158 163