@InProceedings{shindo-fujino-nagata:2011:ACL-HLT2011,
  author    = {Shindo, Hiroyuki  and  Fujino, Akinori  and  Nagata, Masaaki},
  title     = {Insertion Operator for Bayesian Tree Substitution Grammars},
  booktitle = {Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies},
  month     = {June},
  year      = {2011},
  address   = {Portland, Oregon, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {206--211},
  url       = {http://www.aclweb.org/anthology/P11-2036}
}