%0 Journal Article %A Porcel, C. %A Morales del Castillo, J. M. %A Cobo, M. J. %A Ruíz, A. A. %A Herrera-Viedma, E. %T An improved recommender system to avoid the persistent information overload in a university digital library %J Control and Cybernetics %D 2010 %P 899-923 %V 39 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2010_39_4_a1/ %G en %F CC_2010_39_4_a1