@article{CC_2010_39_4_a1,
     author = {Porcel, C. and Morales del Castillo, J. M. and Cobo, M. J. and Ru{\'\i}z, A. A. and Herrera-Viedma, E.},
     title = {An improved recommender system to avoid the persistent information overload in a university digital library},
     journal = {Control and Cybernetics},
     pages = {899--923},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {2010},
     zbl = {1280.93054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2010_39_4_a1/}
}