1. Department of Computing Systems , Intelligent Systems and Data Mining Laboratory (I3A), Universidad de Castilla–La Mancha, Albacete, 02071 , Spain , victor.perezpiqueras@uclm.es
2. Department of Computing Systems , Intelligent Systems and Data Mining Laboratory (I3A), Universidad de Castilla–La Mancha, Albacete, 02071 , Spain , pablo.bermejo@uclm.es
3. Department of Computing Systems , Intelligent Systems and Data Mining Laboratory (I3A), Universidad de Castilla–La Mancha, Albacete, 02071 , Spain , Jose.Gamez@uclm.es