## Data Source
This is a real-world data set proposed by [Lorena and Pereira 2002](https://citeseerx.ist.psu.edu/document?repid=rep1&type=pdf&doi=75515a186e951958f8ed4a90362338f6b0646746), originally presented in website http://www.lac.inpe.br/~lorena/instancias.html.

