Agglomerative and Divisive Approaches to Unsupervised Learning in Gestalt Clusters. - Rodrigo C. Camargos; Paulo Rogerio Nietto; Maria do Carmo Nicoletti (ISDA, 2016)

Estimating the Number of Clusters as a Pre-processing Step to Unsupervised Learning. - Paulo Rogerio Nietto; Maria do Carmo Nicoletti (ISDA, 2016)

Analyzing Electoral Data Using Partitional and Hierarchical Clustering Algorithms. - Paulo Rogerio Nietto; Maria do Carmo Nicoletti; Nilton Cesar Sacco (ISDA (1), 2022)