@InProceedings{truong_cap09,
  title =	{A self-training method for learning to rank with unlabeled data},
  author =	{Vinh Truong and Massih R. Amini  and Patrick Gallinari},
  booktitle =	{11th European Symposium on Artificial Neural Networks},
  year = 	{2009},
  month =	{Avril},
  address =	{Bruges}
}