@article {Garc{{\'\i}a2015, title = {MoNGEL: monotonic nested generalized exemplar learning}, journal = {Pattern Analysis and Applications}, year = {2015}, pages = {1{\textendash}12}, issn = {1433-755X}, doi = {10.1007/s10044-015-0506-y}, author = {Javier Garc{\'\i}a and Fardoun, Habib M. and Alghazzawi, Daniyal M. and J. R. Cano and S. Garc{\'\i}a} }