nsP-index: A Robust and Persistent Index for Nucleotide Sequences. - Ricardo Rodrigues Ciferri; Cristina Dutra de Aguiar Ciferri; Caio César Mori Carélo; Caetano Traina Jr. (ADBIS (local proceedings), 2008)

The Onion-Tree: Quick Indexing of Complex Data in the Main Memory. - Caio César Mori Carélo; Ives Rene Venturini Pola; Ricardo Rodrigues Ciferri; Agma Juci Machado Traina; Caetano Traina Jr.; Cristina Dutra de Aguiar Ciferri (ADBIS, 2009)

Slicing the metric space to provide quick indexing of complex data in the main memory. - Caio César Mori Carélo; Ives Rene Venturini Pola; Ricardo Rodrigues Ciferri; Agma Juci Machado Traina; Caetano Traina Jr.; Cristina Dutra de Aguiar Ciferri (Inf. Syst., 2011)