@article{probabilisticinferenceoftwitterusersage,
  title = {Probabilistic Inference of Twitter Users' Age based on What They Follow},
  author = {Benjamin Paul Chamberlain and Clive Humby and Marc Peter Deisenroth},
  year = {2016},
  eprint = {1601.04621},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1601.04621v2},
}