@inproceedings{ijcai2001p173,
  title     = {Refining the Structure of a Stochastic Context-Free Grammar},
  author    = {Bockhorst, Joseph and Craven, Mark},
  booktitle = {Proceedings of the Seventeenth International Joint Conference on
               Artificial Intelligence, {IJCAI-01}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  pages     = {1315--1321},
  year      = {2001},
  url       = {https://ijcai.org/proceedings/2001/173},
}