Topic-DPR: Topic-based Prompts for Dense Passage Retrieval Qingfa Xiao author Shuangyin Li author Lei Chen author 2023-12 text Findings of the Association for Computational Linguistics: EMNLP 2023 Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication xiao-etal-2023-topic 10.18653/v1/2023.findings-emnlp.480 https://aclanthology.org/2023.findings-emnlp.480/ 2023-12 7216 7225