Xi, N., Ma, D., Liou, M., Steinert-Threlkeld, Z. C., Anastasopoulos, J. and Joo, J. (2020) “Understanding the Political Ideology of Legislators from Social Media Images”, Proceedings of the International AAAI Conference on Web and Social Media, 14(1), pp. 726-737. doi: 10.1609/icwsm.v14i1.7338.