Improving the Efficiency of the K-medoids Clustering Algorithm by Getting Initial Medoids. - Joaquín Pérez Ortega; Nelva Nely Almanza Ortega; Jessica Adams-López; Moisés González-García; Adriana Mexicano; Socorro Sáenz-Sánchez; José María Rodríguez-Lelis (WorldCIST (1), 2017)