Shu, Kai, Deepak Mahudeswaran, Suhang Wang, and Huan Liu. 2020. “Hierarchical Propagation Networks for Fake News Detection: Investigation and Exploitation”. Proceedings of the International AAAI Conference on Web and Social Media 14 (1):626-37. https://doi.org/10.1609/icwsm.v14i1.7329.