Yang, Jiang, Xiao Wei, Mark Ackerman, and Lada Adamic. “Activity Lifespan: An Analysis of User Survival Patterns in Online Knowledge Sharing Communities”. Proceedings of the International AAAI Conference on Web and Social Media 4, no. 1 (May 16, 2010): 186-193. Accessed March 29, 2024. https://ojs.aaai.org/index.php/ICWSM/article/view/14010.