Co-training for Predicting Emotions with Spoken Dialogue Data Beatriz Maeireizo author Diane Litman author Rebecca Hwa author 2004-07 text Proceedings of the ACL Interactive Poster and Demonstration Sessions Association for Computational Linguistics Barcelona, Spain conference publication maeireizo-etal-2004-co https://aclanthology.org/P04-3028/ 2004-07 202 205