Rafael Oliveira, Sérgio Lifschitz, Ana Almeida, and Edward Haeusler. 2015.
 Design of the Outer-tuning framework: self-tuning and ontology for relational databases. In <em>Proceedings of the 11th Brazilian Symposium on Information Systems</em>, May 26, 2015, Goiânia, Brasil. SBC, Porto Alegre, Brasil, 171-178. DOI: <a href="https://doi.org/10.5753/sbsi.2015.5814">https://doi.org/10.5753/sbsi.2015.5814</a>.