Jointprop: Joint Semi-supervised Learning for Entity and Relation Extraction with Heterogeneous Graph-based Propagation Yandan Zheng author Anran Hao author Anh Tuan Luu 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 zheng-etal-2023-jointprop 10.18653/v1/2023.acl-long.813 https://aclanthology.org/2023.acl-long.813/ 2023-07 14541 14555