Zhang, Z., Zhuang, F., Zhu, H., Shi, Z., Xiong, H., & He, Q. (2020). Relational Graph Neural Network with Hierarchical Attention for Knowledge Graph Completion. Proceedings of the AAAI Conference on Artificial Intelligence, 34(05), 9612-9619. https://doi.org/10.1609/aaai.v34i05.6508