HiTIN: Hierarchy-aware Tree Isomorphism Network for Hierarchical Text Classification He Zhu author Chong Zhang author Junjie Huang author Junran Wu author Ke Xu author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication zhu-etal-2023-hitin 10.18653/v1/2023.acl-long.432 https://aclanthology.org/2023.acl-long.432/ 2023-07 7809 7821