Hierarchical Multi-Label Text Categorization with Global Margin Maximization Xipeng Qiu author Wenjun Gao author Xuanjing Huang author 2009-08 text Proceedings of the ACL-IJCNLP 2009 Conference Short Papers Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication qiu-etal-2009-hierarchical https://aclanthology.org/P09-2042/ 2009-08 165 168