Samory, Mattia, Vartan Kesiz Abnousi, and Tanushree Mitra. “Characterizing the Social Media News Sphere through User Co-Sharing Practices”. Proceedings of the International AAAI Conference on Web and Social Media 14, no. 1 (May 26, 2020): 602-613. Accessed September 18, 2020. https://aaai.org/ojs/index.php/ICWSM/article/view/7327.