A Hierarchical Entity Graph Convolutional Network for Relation Extraction across Documents Tapas Nayak author Hwee Tou Ng author 2021-09 text Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2021) Ruslan Mitkov editor Galia Angelova editor INCOMA Ltd. Held Online conference publication nayak-ng-2021-hierarchical https://aclanthology.org/2021.ranlp-1.115/ 2021-09 1022 1030