M. Salgueiro, S. Lifschitz, E. Haeusler, V. dos Santos, and A. Heine. "A Study of Database Models for Social Network Analysis", in Anais do XXXVII Simpósio Brasileiro de Bancos de Dados, Búzios, 2022, pp. 397-402, doi: https://doi.org/10.5753/sbbd.2022.226197.