Conover, M., Ratkiewicz, J., Francisco, M., Goncalves, B., Menczer, F., & Flammini, A. (2021). Political Polarization on Twitter. Proceedings of the International AAAI Conference on Web and Social Media, 5(1), 89-96. https://doi.org/10.1609/icwsm.v5i1.14126