Danielle N. G. Silva, Luciano D. S. Pacifico, Teresa Bernarda Ludermir. Improved Group Search Optimizer based on cooperation among groups for feedforward networks training with Weight Decay. In Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, Anchorage, Alaska, USA, October 9-12, 2011. pages 2133-2138, IEEE, 2011. [doi]