@article{lowcostlearningviaactivedataprocurement,
  title = {Low-Cost Learning via Active Data Procurement},
  author = {Jacob Abernethy and Yi-Ling Chen and Chien-Ju Ho and Bo Waggoner},
  year = {2015},
  eprint = {1502.05774},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1502.05774v2},
}