A. Mendes da Silva, M. Gôlo, and R. Marcacini. " Unsupervised Heterogeneous Graph Neural Network for Hit Song Prediction through One Class Learning", in Anais do X Symposium on Knowledge Discovery, Mining and Learning, Campinas/SP, 2022, pp. 202-209, doi: https://doi.org/10.5753/kdmile.2022.227954.