@article{JMLR:v11:henderson10a,
  author  = {James Henderson and Ivan Titov},
  title   = {Incremental Sigmoid Belief Networks for Grammar Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2010},
  volume  = {11},
  number  = {115},
  pages   = {3541--3570},
  url     = {http://jmlr.org/papers/v11/henderson10a.html}
}