Task-Aware Specialization for Efficient and Robust Dense Retrieval for Open-Domain Question Answering Hao Cheng author Hao Fang author Xiaodong Liu author Jianfeng Gao author 2023-07 text Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers) Anna Rogers editor Jordan Boyd-Graber editor Naoaki Okazaki editor Association for Computational Linguistics Toronto, Canada conference publication cheng-etal-2023-task 10.18653/v1/2023.acl-short.159 https://aclanthology.org/2023.acl-short.159/ 2023-07 1864 1875