@article{animageisworthmorethanathousand,
  title = {An Image is Worth More than a Thousand Favorites: Surfacing the Hidden Beauty of Flickr Pictures},
  author = {Rossano Schifanella and Miriam Redi and Luca Aiello},
  year = {2015},
  eprint = {1505.03358},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1505.03358v2},
}