FewRel 2.0: Towards More Challenging Few-Shot Relation Classification Tianyu Gao author Xu Han author Hao Zhu author Zhiyuan Liu author Peng Li author Maosong Sun author Jie Zhou author 2019-11 text Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) Kentaro Inui editor Jing Jiang editor Vincent Ng editor Xiaojun Wan editor Association for Computational Linguistics Hong Kong, China conference publication gao-etal-2019-fewrel 10.18653/v1/D19-1649 https://aclanthology.org/D19-1649/ 2019-11 6250 6255