Modeling Relational Data with Graph Convolutional Networks, Michael Schlichtkrull, Thomas N. Kipf, Peter Bloem, Rianne van den Berg, Ivan Titov, and Max Welling, 2018European Semantic Web Conference (ESWC), Vol. 10843 (Springer, Cham)DOI: 10.1007/978-3-319-93417-4_38 - Introduces the Relational Graph Convolutional Network (RGCN) architecture for modeling relational data in knowledge graphs, including parameter regularization techniques.
Heterogeneous Graph Attention Network, Xiao Wang, Houye Ji, Chuan Shi, Bai Wang, Peng Cui, P. Yu, Yanfang Ye, 2019The World Wide Web Conference (WWW)DOI: 10.48550/arXiv.1903.07293 - Presents the Heterogeneous Attention Network (HAN), which uses a hierarchical attention mechanism to aggregate information over different meta-paths in heterogeneous graphs.