@article{JMLR:v18:16-460,
  author  = {Ziyuan Gao and Christoph Ries and Hans U. Simon and Sandra Zilles},
  title   = {Preference-based Teaching},
  journal = {Journal of Machine Learning Research},
  year    = {2017},
  volume  = {18},
  number  = {31},
  pages   = {1--32},
  url     = {http://jmlr.org/papers/v18/16-460.html}
}