@inproceedings{liu-etal-2022-rlet, title = "{RLET}: A Reinforcement Learning Based Approach for Explainable {QA} with Entailment Trees", author = "Liu, Tengxiao and Guo, Qipeng and Hu, Xiangkun and Zhang, Yue and Qiu, Xipeng and Zhang, Zheng", editor = "Goldberg, Yoav and Kozareva, Zornitsa and Zhang, Yue", booktitle = "Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing", month = dec, year = "2022", address = "Abu Dhabi, United Arab Emirates", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/2022.emnlp-main.483/", doi = "10.18653/v1/2022.emnlp-main.483", pages = "7177--7189" }