Í. de Abreu, F. Praciano, P. Amora, and J. Machado. " ConSQL: SQL Consents for Purpose-Driven Query Processing", in Companion Proceedings of the 36th Brazilian Symposium on Databases, Rio de Janeiro, 2021, pp. 8-14, doi: https://doi.org/10.5753/sbbd_estendido.2021.18156.