Beyond Text: Incorporating Metadata and Label Structure for Multi-Label Document Classification using Heterogeneous Graphs Chenchen Ye author Linhai Zhang author Yulan He author Deyu Zhou author Jie Wu 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 ye-etal-2021-beyond 10.18653/v1/2021.emnlp-main.253 https://aclanthology.org/2021.emnlp-main.253/ 2021-11 3162 3171