@article{fern{\'a}ndez2005topic,
  title={Topic Identification based on Bayesian Belief Networks in the context of an Air Traffic Control Task},
  author={Fern{\'a}ndez Mart{\'\i}nez, F. and D'Haro Enr{\'\i}quez, L.F. and Ferreiros, J. and Montero, J.M. and San-Segundo, R.},
  journal={Procesamiento del lenguaje natural},
  number={35},
  pages={327--332},
  year={2005}
}