@article{JMLR:v15:osting14a,
  author  = {Braxton Osting and Christoph Brune and Stanley J.  Osher},
  title   = {Optimal Data Collection For Informative Rankings Expose Well-Connected Graphs},
  journal = {Journal of Machine Learning Research},
  year    = {2014},
  volume  = {15},
  number  = {85},
  pages   = {2981--3012},
  url     = {http://jmlr.org/papers/v15/osting14a.html}
}