@misc {IOPORT.70604836,
    author       = {Gena, Cristina and Brogi, Roberto and Cena, Federica and Vernero, Fabiana},
    title        = {The impact of rating scales on user's rating behavior},
    howpublished = {UMAP, 123-134 (2011).},
    year         = {2011},
    doi          = {10.1007/978-3-642-22362-4_11},
    identifier   = {70604836},
}