A. Gonzaga and R. Cordeiro.
"The similarity-aware relational division database operator", in <em>Anais do XXXI Concurso de Teses e Dissertações</em>, Natal, 2018, doi: <a href="https://doi.org/10.5753/ctd.2018.3662">https://doi.org/10.5753/ctd.2018.3662</a>.