Torquette, G., 		Nunes, V., 		Paiva, P., 		Neto, L., & 		Lorena, A.
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 Characterizing instance hardness in classification and regression problems.
In <em>Anais do X Symposium on Knowledge Discovery, Mining and Learning</em>, (pp. 178-185). Porto Alegre: SBC.
doi:10.5753/kdmile.2022.227758