Shuliang Liu, Xuming Hu, Chenwei Zhang, Shuang Li, Lijie Wen, Philip S. Yu. HiURE: Hierarchical Exemplar Contrastive Learning for Unsupervised Relation Extraction. In Marine Carpuat, Marie-Catherine de Marneffe, Iván Vladimir Meza Ruíz, editors, Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL 2022, Seattle, WA, United States, July 10-15, 2022. pages 5970-5980, Association for Computational Linguistics, 2022. [doi]
Abstract is missing.