Guide the Many-to-One Assignment: Open Information Extraction via IoU-aware Optimal Transport Kaiwen Wei author Yiran Yang author Li Jin author Xian Sun author Zequn Zhang author Jingyuan Zhang author Xiao Li author Linhao Zhang author Jintao Liu author Guo Zhi author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication wei-etal-2023-guide 10.18653/v1/2023.acl-long.272 https://aclanthology.org/2023.acl-long.272/ 2023-07 4971 4984