RelU-Net: Syntax-aware Graph U-Net for Relational Triple Extraction Yunqi Zhang author Yubo Chen author Yongfeng Huang 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 zhang-etal-2022-relu 10.18653/v1/2022.emnlp-main.282 https://aclanthology.org/2022.emnlp-main.282/ 2022-12 4208 4217