Fast-R2D2: A Pretrained Recursive Neural Network based on Pruned CKY for Grammar Induction and Text Representation Xiang Hu author Haitao Mi author Liang Li author Gerard de Melo 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 hu-etal-2022-fast 10.18653/v1/2022.emnlp-main.181 https://aclanthology.org/2022.emnlp-main.181/ 2022-12 2809 2821