@InProceedings{irwin-matsumoto:2015:IWPT,
  author    = {Irwin, Joseph  and  Matsumoto, Yuji},
  title     = {CKY Parsing with Independence Constraints},
  booktitle = {Proceedings of the 14th International Conference on Parsing Technologies},
  month     = {July},
  year      = {2015},
  address   = {Bilbao, Spain},
  publisher = {Association for Computational Linguistics},
  pages     = {97--106},
  url       = {http://www.aclweb.org/anthology/W15-2213}
}