Kaixin Ma, Hao Cheng 0002, Xiaodong Liu 0003, Eric Nyberg, Jianfeng Gao. Open-domain Question Answering via Chain of Reasoning over Heterogeneous Knowledge. In Yoav Goldberg, Zornitsa Kozareva, Yue Zhang, editors, Findings of the Association for Computational Linguistics: EMNLP 2022, Abu Dhabi, United Arab Emirates, December 7-11, 2022. pages 5360-5374, Association for Computational Linguistics, 2022. [doi]
Abstract is missing.