Bian, T., X. Xiao, T. Xu, P. Zhao, W. Huang, Y. Rong, and J. Huang. “Rumor Detection on Social Media With Bi-Directional Graph Convolutional Networks”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 34, no. 01, Apr. 2020, pp. 549-56, doi:10.1609/aaai.v34i01.5393.