An Annotated Corpus for Sentiment Analysis in Political News Gabriel Domingos de Arruda author Norton Trevisan Roman author Ana Maria Monteiro author 2015-11 text Proceedings of the 10th Brazilian Symposium in Information and Human Language Technology Claudia Freitas editor Alexandre Rademaker editor Sociedade Brasileira de Computação Natal, Brazil conference publication de-arruda-etal-2015-annotated https://aclanthology.org/W15-5614/ 2015-11 101 110