Yardi, Sarita, and Danah Boyd. “Tweeting from the Town Square: Measuring Geographic Local Networks”. Proceedings of the International AAAI Conference on Web and Social Media 4, no. 1 (May 16, 2010): 194-201. Accessed November 12, 2024. https://ojs.aaai.org/index.php/ICWSM/article/view/14016.