@InProceedings{haertel-EtAl:2015:LAW,
  author    = {Haertel, Robbie  and  Ringger, Eric  and  Seppi, Kevin  and  Felt, Paul},
  title     = {An Analytic and Empirical Evaluation of Return-on-Investment-Based Active Learning},
  booktitle = {Proceedings of The 9th Linguistic Annotation Workshop},
  month     = {June},
  year      = {2015},
  address   = {Denver, Colorado, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {11--20},
  url       = {http://www.aclweb.org/anthology/W15-1602}
}