Combating Label Sparsity in Short Text Topic Modeling via Nearest Neighbor Augmentation Yang Lin author Xinyu Ma author Xin Gao author Ruiqing Li author Yasha Wang author Xu Chu author 2024-08 text Findings of the Association for Computational Linguistics: ACL 2024 Lun-Wei Ku editor Andre Martins editor Vivek Srikumar editor Association for Computational Linguistics Bangkok, Thailand conference publication lin-etal-2024-combating 10.18653/v1/2024.findings-acl.817 https://aclanthology.org/2024.findings-acl.817/ 2024-08 13762 13774