@article{iglesias-et-al_ai2009,
  author       = {Iglesias, Ana and Martínez, Paloma and Aler, Ricardo and Fernández,
    Fernando},
  journal      = {Applied Intelligence},
  number       = 1,
  pages        = {89 -- 106},
  title        = {Learning teaching strategies in an Adaptive and Intelligent Educational
    System through Reinforcement Learning},
  volume       = 31,
  year         = 2009,
}