Unsupervised Non-transferable Text Classification Guangtao Zeng author Wei Lu author 2022-12 text Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication zeng-lu-2022-unsupervised 10.18653/v1/2022.emnlp-main.685 https://aclanthology.org/2022.emnlp-main.685/ 2022-12 10071 10084