Improving Long-Tail Relation Extraction with Collaborating Relation-Augmented Attention Yang Li author Tao Shen author Guodong Long author Jing Jiang author Tianyi Zhou author Chengqi Zhang author 2020-12 text Proceedings of the 28th International Conference on Computational Linguistics Donia Scott editor Nuria Bel editor Chengqing Zong editor International Committee on Computational Linguistics Barcelona, Spain (Online) conference publication li-etal-2020-improving 10.18653/v1/2020.coling-main.145 https://aclanthology.org/2020.coling-main.145/ 2020-12 1653 1664