Enhancing Short-Text Topic Modeling with LLM-Driven Context Expansion and Prefix-Tuned VAEs Pritom Saha Akash author Kevin Chen-Chuan Chang author 2024-11 text Findings of the Association for Computational Linguistics: EMNLP 2024 Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication akash-chang-2024-enhancing 10.18653/v1/2024.findings-emnlp.917 https://aclanthology.org/2024.findings-emnlp.917/ 2024-11 15635 15646