Wang, X., D. Wang, C. Xu, X. He, Y. Cao, and T.-S. Chua. “Explainable Reasoning over Knowledge Graphs for Recommendation”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 5329-36, doi:10.1609/aaai.v33i01.33015329.