An Edge-Enhanced Hierarchical Graph-to-Tree Network for Math Word Problem Solving Qinzhuo Wu author Qi Zhang author Zhongyu Wei author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication wu-etal-2021-edge-enhanced 10.18653/v1/2021.findings-emnlp.127 https://aclanthology.org/2021.findings-emnlp.127/ 2021-11 1473 1482