Unsupervised Cross-Domain Prerequisite Chain Learning using Variational Graph Autoencoders Irene Li author Vanessa Yan author Tianxiao Li author Rihao Qu author Dragomir Radev author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication li-etal-2021-unsupervised-cross 10.18653/v1/2021.acl-short.127 https://aclanthology.org/2021.acl-short.127/ 2021-08 1005 1011