COPEN: Probing Conceptual Knowledge in Pre-trained Language Models Hao Peng author Xiaozhi Wang author Shengding Hu author Hailong Jin author Lei Hou author Juanzi Li author Zhiyuan Liu author Qun Liu 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 peng-etal-2022-copen 10.18653/v1/2022.emnlp-main.335 https://aclanthology.org/2022.emnlp-main.335/ 2022-12 5015 5035