Topic Taxonomy Expansion via Hierarchy-Aware Topic Phrase Generation Dongha Lee author Jiaming Shen author Seonghyeon Lee author Susik Yoon author Hwanjo Yu author Jiawei Han author 2022-12 text Findings of the Association for Computational Linguistics: EMNLP 2022 Yoav Goldberg editor Zornitsa Kozareva editor Yue Zhang editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates conference publication lee-etal-2022-topic 10.18653/v1/2022.findings-emnlp.122 https://aclanthology.org/2022.findings-emnlp.122/ 2022-12 1687 1700