Aspect Sentiment Quad Prediction as Paraphrase Generation Wenxuan Zhang author Yang Deng author Xin Li author Yifei Yuan author Lidong Bing author Wai Lam author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication zhang-etal-2021-aspect-sentiment 10.18653/v1/2021.emnlp-main.726 https://aclanthology.org/2021.emnlp-main.726/ 2021-11 9209 9219