Keller, F., Schoch, D., Stier, S., & Yang, J. (2017). How to Manipulate Social Media: Analyzing Political Astroturfing Using Ground Truth Data from South Korea. Proceedings of the International AAAI Conference on Web and Social Media, 11(1), 564-567. Retrieved from https://ojs.aaai.org/index.php/ICWSM/article/view/14941