@article{CC_2010_39_4_a2,
     author = {Bordogna, Gloria and Psaila, Giuseppe},
     title = {'Matrioshka's' soft approaches to personalized web exploration},
     journal = {Control and Cybernetics},
     pages = {925--957},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {2010},
     zbl = {1280.93053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2010_39_4_a2/}
}