@article {simidat231,
	title = {Analysis of preprocessing vs. cost-sensitive learning for imbalanced classification. Open problems on intrinsic data characteristics},
	journal = {Expert Systems with Applications},
	volume = {39},
	number = {7},
	year = {2012},
	pages = {6585-6608},
	doi = {10.1016/j.eswa.2011.12.043},
	author = {V. L{\'o}pez and A. Fern{\'a}ndez and J.G. Moreno-Torres and F. Herrera}
}
