@inproceedings{inproceedingsa4226148,
title   = {A comparison of the effect of feature selection and balancing strategies upon the sentiment classification of portuguese news stories},
author = {Drury, Brett and Lopes, Alneu de Andrade},
year = {2014},
publisher = {SBC},
booktitle   = {Joint Conference on Robotics and Intelligent Systems - JCRIS}
}