Wang, Yu, Xiyang Zhang, and Jiebo Luo. 2017. “Tactics and Tallies: A Study of the 2016 U.S. Presidential Campaign Using Twitter ’Likes’”. Proceedings of the International AAAI Conference on Web and Social Media 11 (1):775-82. https://doi.org/10.1609/icwsm.v11i1.14978.