7x1-PT: um Corpus extraído do Twitter para Análise de Sentimentos em Língua Portuguesa (7x1-PT: a Corpus extracted from Twitter for Sentiment Analysis in Portuguese Language) Silvia M W Moraes author Isabel H Manssour author Milene S Silveira 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 moraes-etal-2015-7x1 https://aclanthology.org/W15-5602/ 2015-11 21 25