Drachen, A., E. Lundquist, Y. Kung, P. Rao, R. Sifa, J. Runge, and D. Klabjan. “Rapid Prediction of Player Retention in Free-to-Play Mobile Games”. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, vol. 12, no. 1, June 2021, pp. 23-29, doi:10.1609/aiide.v12i1.12856.