Tasse, Dan, and Jason Hong. “Finding a City’s Activity Bubbles in Geotagged Social Media”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing 2, no. 1 (October 14, 2014): 33-34. Accessed September 26, 2024. https://ojs.aaai.org/index.php/HCOMP/article/view/13211.