Using the Cluster-based Tree Structure of k-Nearest Neighbor to Reduce the Effort Required to Classify Unlabeled Large Datasets. - Elias Oliveira; Howard Roatti; Matheus de Araujo Nogueira; Henrique Gomes Basoni; Patrick Marques Ciarelli (KDIR, 2015)

Recommending Groups to Users based Both on Their Textual and Image Posts. - Elias Oliveira; Howard Roatti; Gustavo Ramos Lima; Patrick Marques Ciarelli (KDIR, 2016)