M. Bedo, A. Traina, and C. Traina Jr..
" A Spline-based Cost Model for Metric Trees", in <em>Proceedings of the 32nd Brazilian Symposium on Databases</em>, Uberlândia/MG, 2017, pp. 28-39, doi: <a href="https://doi.org/10.5753/sbbd.2017.171404">https://doi.org/10.5753/sbbd.2017.171404</a>.