Effects of Data Sparsity on Recommender Systems based on Collaborative Filtering. - Joao Felipe Guedes da Silva; Natanael Nunes de Moura Junior; Luiz Pereira Calôba (IJCNN, 2018)

NPR: a News Portal Recommendations dataset. - Joel Pinho Lucas; Joao Felipe Guedes da Silva; Leticia Freire de Figueiredo (NORMalize@RecSys, 2023)