Alfifi, Majid, Parisa Kaghazgaran, James Caverlee, and Fred Morstatter. 2019. “A Large-Scale Study of ISIS Social Media Strategy: Community Size, Collective Influence, and Behavioral Impact”. Proceedings of the International AAAI Conference on Web and Social Media 13 (01):58-67. https://doi.org/10.1609/icwsm.v13i01.3209.