%0 Conference Proceedings %T Construction of a Portuguese Opinion Lexicon from multiple resources %A Souza, Marlo %A Vieira, Renata %A Busetti, Débora %A Chishman, Rove %A Alves, Isa Mara %S Proceedings of the 8th Brazilian Symposium in Information and Human Language Technology %D 2011 %F souza-etal-2011-construction %U https://aclanthology.org/W11-4507