@article{articlea341b6b8, title = {U-curve: a branch-and-bound optimization algorithm for U-shaped cost functions on Boolean lattices applied to the feature selection problem}, author = {Ris, Marcelo and Barrera, JĂșnior and Martins Junior, David C.}, year = {2010}, doi = {10.1016/j.patcog.2009.08.018}, journal = {Pattern Recognition} }