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://aaai.org/ojs/index.php/ICWSM/article/view/7329.