Roberto Alejo - researchr alias

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2011

Back Propagation with Balanced MSE Cost Function and Nearest Neighbor Editing for Handling Class Overlap and Class ImbalanceRoberto Alejo, José Martínez Sotoca, Vicente García, Rosa Maria Valdovinos. iwann 2011: 199-206 [doi]

Resampling Methods versus Cost Functions for Training an MLP in the Class Imbalance ContextRoberto Alejo, P. Toribio, José Martínez Sotoca, Rosa Maria Valdovinos, Eduardo Gasca. isnn 2011: 19-26 [doi]

2010

Cost-Sensitive Neural Networks and Editing Techniques for Imbalance ProblemsRoberto Alejo, José Martínez Sotoca, Vicente García, Rosa Maria Valdovinos. mcpr2 2010: 180-188 [doi]

Edited Nearest Neighbor Rule for Improving Neural Networks ClassificationsRoberto Alejo, José Martínez Sotoca, Rosa Maria Valdovinos, P. Toribio. isnn 2010: 303-310 [doi]

2009

Use of Ensemble Based on GA for Imbalance ProblemLaura Cleofas, Rosa Maria Valdovinos, Vicente García, Roberto Alejo. isnn 2009: 547-554 [doi]

2008

An Empirical Study for the Multi-class Imbalance Problem with Neural NetworksRoberto Alejo, José Martínez Sotoca, G. A. Casañ. ciarp 2008: 479-486 [doi]

2007

Improving the Performance of the RBF Neural Networks Trained with Imbalanced SamplesRoberto Alejo, Vicente García, José Martínez Sotoca, Ramón Alberto Mollineda, José Salvador Sánchez. iwann 2007: 162-169 [doi]

When Overlapping Unexpectedly Alters the Class Imbalance EffectsVicente García, Ramón Alberto Mollineda, José Salvador Sánchez, Roberto Alejo, José Martínez Sotoca. ibpria 2007: 499-506 [doi]

2006

Improving the Classification Accuracy of RBF and MLP Neural Networks Trained with Imbalanced SamplesRoberto Alejo, Vicente García, José Martínez Sotoca, Ramón Alberto Mollineda, José Salvador Sánchez. ideal 2006: 464-471 [doi]

Combined Effects of Class Imbalance and Class Overlap on Instance-Based ClassificationVicente García, Roberto Alejo, José Salvador Sánchez, José Martínez Sotoca, Ramón Alberto Mollineda. ideal 2006: 371-378 [doi]

2003

Analysis of new techniques to obtain quality training setsJosé Salvador Sánchez, Ricardo Barandela, A. I. Marqués, Roberto Alejo, Jorge Badenas. prl, 24(7):1015-1022, 2003. [doi]

2001

Correccion de la Muestra para el Aprendizaje del Perceptron MulticapaRicardo Barandela, Eduardo Gasca, Roberto Alejo. aepia, 13:2-9, 2001. [doi]

Performance Evaluation of Prototype Selection Algorithms for Nearest Neighbor ClassificationJosé Salvador Sánchez, Ricardo Barandela, A. I. Marqués, Roberto Alejo. sibgrapi 2001: 44-50 [doi]