@article{liquidfmrecommendingmusicthroughviscous,
  title = {Liquid FM: Recommending Music through Viscous Democracy},
  author = {Boldi Paolo and Monti Corrado and Santini Massimo and Vigna Sebastiano},
  year = {2015},
  eprint = {1503.08604},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1503.08604v1},
}