Efficient Mind-Map Generation via Sequence-to-Graph and Reinforced Graph Refinement Mengting Hu author Honglei Guo author Shiwan Zhao author Hang Gao author Zhong Su author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication hu-etal-2021-efficient 10.18653/v1/2021.emnlp-main.641 https://aclanthology.org/2021.emnlp-main.641/ 2021-11 8130 8141