A Novel Negative Sample Generation Method for Contrastive Learning in Hierarchical Text Classification Juncheng Zhou author Lijuan Zhang author Yachen He author Rongli Fan author Lei Zhang author Jian Wan author 2025-01 text Proceedings of the 31st International Conference on Computational Linguistics Owen Rambow editor Leo Wanner editor Marianna Apidianaki editor Hend Al-Khalifa editor Barbara Di Eugenio editor Steven Schockaert editor Association for Computational Linguistics Abu Dhabi, UAE conference publication zhou-etal-2025-novel https://aclanthology.org/2025.coling-main.378/ 2025-01 5645 5655