E. Ritter and S. Rigo.
" FITDATA: A system for monitoring physical activity based on mobile devices", in <em>Proceedings of the 12th Brazilian Symposium on Information Systems</em>, Florianópolis, 2016, pp. 550-557, doi: <a href="https://doi.org/10.5753/sbsi.2016.6006">https://doi.org/10.5753/sbsi.2016.6006</a>.