Accuracy, Parsimony, and Generality in Evolutionary Learning Systems via Multiobjective Selection. - Xavier Llorà; David E. Goldberg; Ivan Traus; Ester Bernadó i Mansilla (IWLCS, 2002)

Peptide data mining: from virtual design to knowledge extraction. - Ignasi Belda; Ivan Traus; Susana Gordo; Teresa Tarragó; Sergio Madurga; Xavier Llorà; Ernest Giralt (GECCO, 2006)

Multi-objective Learning Classifier Systems. - Ester Bernadó i Mansilla; Xavier Llorà; Ivan Traus (Multi-Objective Machine Learning, 2006)