@INPROCEEDINGS{GalvezEtAlAIED2009,
  author = {Jaime Gálvez and Eduardo Guzmán and Ricardo Conejo and Eva Millán},
  title = {Student Knowledge Diagnosis Using Item Response Theory and Constraint-Based Modeling},
  booktitle = {Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling},
  editor = {Vania Dimitrova and Riichiro Mizoguchi and Benedict du Boulay and Art Graesser},
  pages = {291-298},
  year = {2009},
  isbn = {978-1-60750-028-5},
  publisher = {IOS Press},
  address = {Amsterdam, The Netherlands, The Netherlands}
}