@InProceedings{jin-EtAl:2018:EMNLP,
  author    = {Jin, Lifeng  and  Doshi-Velez, Finale  and  Miller, Timothy  and  Schuler, William  and  Schwartz, Lane},
  title     = {Depth-bounding is effective: Improvements and evaluation of unsupervised PCFG induction},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {2721--2731},
  url       = {http://www.aclweb.org/anthology/D18-1292}
}