@article{revisitingdenseretrievalwithunanswerable,
  title = {Evidentiality-aware Retrieval for Overcoming Abstractiveness in Open-Domain Question Answering},
  author = {Yongho Song and Dahyun Lee and Myungha Jang and Seung-won Hwang and Kyungjae Lee and Dongha Lee and Jinyeong Yeo},
  year = {2023},
  eprint = {2304.03031},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2304.03031v6},
}