M. Salgueiro, S. Lifschitz, E. Haeusler, V. dos Santos, and A. Heine. " A Study of Database Models for Social Network Analysis", in Proceedings of the 37th Brazilian Symposium on Databases, Búzios, 2022, pp. 397-402, doi: https://doi.org/10.5753/sbbd.2022.226197.