PESCO: Prompt-enhanced Self Contrastive Learning for Zero-shot Text Classification Yau-Shian Wang author Ta-Chung Chi author Ruohong Zhang author Yiming Yang 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 wang-etal-2023-pesco 10.18653/v1/2023.acl-long.832 https://aclanthology.org/2023.acl-long.832/ 2023-07 14897 14911