Unsupervised Dense Retrieval with Relevance-Aware Contrastive Pre-Training Yibin Lei author Liang Ding author Yu Cao author Changtong Zan author Andrew Yates author Dacheng Tao author 2023-07 text Findings of the Association for Computational Linguistics: ACL 2023 Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication lei-etal-2023-unsupervised 10.18653/v1/2023.findings-acl.695 https://aclanthology.org/2023.findings-acl.695/ 2023-07 10932 10940