G. Vale, A. Silva, and F. Porto.
" Comparative analyzes between different indexing techniques for sparse data in the SAVIME system", in <em>Companion Proceedings of the 37th Brazilian Symposium on Databases</em>, Búzios, 2022, pp. 20-26, doi: <a href="https://doi.org/10.5753/sbbd_estendido.2022.21838">https://doi.org/10.5753/sbbd_estendido.2022.21838</a>.