Complementary Evidence Identification in Open-Domain Question Answering Xiangyang Mou author Mo Yu author Shiyu Chang author Yufei Feng author Li Zhang author Hui Su author 2021-04 text Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume Paola Merlo editor Jorg Tiedemann editor Reut Tsarfaty editor Association for Computational Linguistics Online conference publication mou-etal-2021-complementary 10.18653/v1/2021.eacl-main.234 https://aclanthology.org/2021.eacl-main.234/ 2021-04 2720 2726