Unsupervised Opinion Summarization with Noising and Denoising Reinald Kim Amplayo author Mirella Lapata author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication amplayo-lapata-2020-unsupervised 10.18653/v1/2020.acl-main.175 https://aclanthology.org/2020.acl-main.175/ 2020-07 1934 1945