Pérez, J., Pires, C. E., Balby, L., Mexicano, A., & Hidalgo, M. Ángel. (2013). Early Classification: A New Heuristic to Improve the Classification Step of K-Means. Journal of Information and Data Management, 4(2), 94. https://doi.org/10.5753/jidm.2013.1482