Akari Asai, Eunsol Choi. Challenges in Information-Seeking QA: Unanswerable Questions and Paragraph Retrieval. In Chengqing Zong, Fei Xia, Wenjie Li 0002, Roberto Navigli, editors, Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing, ACL/IJCNLP 2021, (Volume 1: Long Papers), Virtual Event, August 1-6, 2021. pages 1492-1504, Association for Computational Linguistics, 2021. [doi]
Abstract is missing.