Joint Entity and Relation Extraction with Span Pruning and Hypergraph Neural Networks Zhaohui Yan author Songlin Yang author Wei Liu author Kewei Tu author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication yan-etal-2023-joint 10.18653/v1/2023.emnlp-main.467 https://aclanthology.org/2023.emnlp-main.467/ 2023-12 7512 7526