Position-Aware Tagging for Aspect Sentiment Triplet Extraction Lu Xu author Hao Li author Wei Lu author Lidong Bing author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication xu-etal-2020-position 10.18653/v1/2020.emnlp-main.183 https://aclanthology.org/2020.emnlp-main.183/ 2020-11 2339 2349