@INPROCEEDINGS{Guarracino2007WPCKMLKD,
   author = "Guarracino, M. R. and Abbate, D. and Prevete, R.",
   title = "Nonlinear knowledge in learning models",
   booktitle = "in proceedings of Workshop on Prior Conceptual Knowledge in Machine Learning and Knowledge Discovery",
   pages = "29--40",
   month = "September",
   year = "2007",
   publisher = "European Conference on Machine Learning",
   
}