Contrastive Bootstrapping for Label Refinement Shudi Hou author Yu Xia author Muhao Chen author Sujian Li author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication hou-etal-2023-contrastive 10.18653/v1/2023.acl-short.84 https://aclanthology.org/2023.acl-short.84/ 2023-07 976 985