A Neural Corpus Indexer for Document Retrieval - Wang, Yujing; Hou, Yingyan; Wang, Haonan; Miao, Ziming; Wu, Shibin; Chen, Qi; Xia, Yuqing; Chi, Chengmin; Zhao, Guoshuai; Liu, Zheng; Xie, Xing; Sun, Hao; et al. (Advances in Neural Information Processing Systems, 2022)