A Span-level Bidirectional Network for Aspect Sentiment Triplet Extraction Yuqi Chen author Chen Keming author Xian Sun author Zequn Zhang author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication chen-etal-2022-span 10.18653/v1/2022.emnlp-main.289 https://aclanthology.org/2022.emnlp-main.289/ 2022-12 4300 4309