Hierarchical Classification Approach to Emotion Recognition in Twitter. - Ahmed Ali Abdalla Esmin; Roberto L. de Oliveira Jr.; Stan Matwin (ICMLA (2), 2012)

Economically-efficient sentiment stream analysis. - Roberto Lourenço de Oliveira Jr.; Adriano Veloso; Adriano C. M. Pereira; Wagner Meira Jr.; Renato Ferreira 001; Srinivasan Parthasarathy 001 (SIGIR, 2014)

Towards a parameter-free and parallel itemset mining algorithm in linearithmic time. - Gregory Buehrer; Roberto L. de Oliveira Jr.; David Fuhry; Srinivasan Parthasarathy 001 (ICDE, 2015)