@inproceedings{inproceedingsde84fe09,
title   = {Learning bayesian network classifiers for facial expression recognition using both labeled and unlabeled data},
author = {Cohen, Ira and Sebe, Nicu and Cozman, Fabio Gagliardi and Cirelo, Marcelo Cesar and Huang, Thomas S.},
year = {2003},
publisher = {IEEE Computer Society Press},
booktitle   = {IEEE Computer Society Conference on Computer Vision and Pattern Recognition}
}