@inproceedings{moreno03-semi, 
  author     = {Pedro J. Moreno and Shivani Agarwal},
  title      = {An experimental study of EM-based algorithms for semi-supervised learning in audio classification},
  booktitle  = {Proceedings of the ICML-2003 Workshop on the Continuum from Labeled to Unlabeled Data},
  year       = {2003}
}