@article{JMLR:v6:ernst05a,
  author  = {Damien  Ernst and Pierre  Geurts and Louis  Wehenkel},
  title   = {Tree-Based Batch Mode Reinforcement Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2005},
  volume  = {6},
  number  = {18},
  pages   = {503--556},
  url     = {http://jmlr.org/papers/v6/ernst05a.html}
}