Improvement to the K-Means algorithm through a heuristics based on a bee honeycomb structure. - Joaquín Pérez Ortega; Adriana Mexicano; René Santaolaya Salgado; Miguel Angel Hidalgo; Alejandra Moreno; Rodolfo A. Pazos Rangel (NaBIC, 2012)

A visual tool for analyzing the behavior of metaheuristic algorithms. - Joaquín Pérez Ortega; Adriana Mexicano; René Santaolaya Salgado; Iliana Lizbeth Alvarado; Miguel Angel Hidalgo; Rafael de la Rosa Flores (Int. J. Comb. Optim. Probl. Informatics, 2012)

Early Classification: A New Heuristic to Improve the Classification Step of K-Means. - Joaquín Pérez Ortega; Carlos Eduardo Santos Pires; Leandro Balby Marinho; Adriana Mexicano; Miguel Angel Hidalgo (J. Inf. Data Manag., 2013)

A Data Preparation Methodology in Data Mining Applied to Mortality Population Databases. - Joaquín Pérez Ortega; Emmanuel Iturbide; Víctor Olivares; Miguel Angel Hidalgo; Alicia Martínez Rebollar; Nelva Almanza (J. Medical Syst., 2015)

An Efficient Heuristic Applied to the K-means Algorithm for the Clustering of Large Highly-Grouped Instances. - Joaquín Pérez Ortega; Miguel Angel Hidalgo; Noé Alejandro Castro-Sánchez; Rodolfo A. Pazos Rangel; Ocotlán Díaz-Parra; Víctor Olivares-Peregrino; Nelva Nely Almanza Ortega (Computación y Sistemas, 2018)