ALI GHAZANFAR, Mustansar; PRUGEL, Adam. The Advantage of Careful Imputation Sources in Sparse Data-Environment of Recommender Systems: Generating Improved SVD-based Recommendations . Informatica, [S. l.], v. 37, n. 1, Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/435. Acesso em: 23 jun. 2025.