@misc{misc72893ce5,
title   = {Semi-supervised sentiment annotation of large corpora},
author = {Brum, Henrico Bertini and Nunes, Maria das Graças Volpe},
year = {2018},
doi = {10.1007/978-3-319-99722-3_34},
publisher = {Springer},
booktitle   = {International Conference on Computational Processing of the Portuguese Language - PROPOR}
}