TORQUETTE, Gustavo P.; NUNES, Victor S.; PAIVA, Pedro Y. A.; NETO, Lourenço B. Cunha; LORENA, Ana C.. Characterizing instance hardness in classification and regression problems. In: SYMPOSIUM ON KNOWLEDGE DISCOVERY, MINING AND LEARNING (KDMILE), 10. , 2022, Campinas/SP. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2022 . p. 178-185. ISSN 2763-8944. DOI: https://doi.org/10.5753/kdmile.2022.227758.