@conference{EURECOM+3759,
  author = {Sha, Xiaolan and  Quercia, Daniele and  Dell\&\#039 and Amico, Matteo and  Michiardi, Pietro},
  title = {Spotting trends: The wisdom of the few},
  booktitle = {RECSYS 2012, ACM Recommender Systems Conference, September 9-13, 2012, Dublin, Ireland},
  year = {2012},
  editor = {ACM},
  address = {Dublin},
  note = {© ACM, 2012. This is the author\&\#039;s version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution. The definitive version was published in RECSYS 2012, ACM Recommender Systems Conference, September 9-13, 2012, Dublin, Ireland http://dx.doi.org/10.1145/2365952.2365967},
}