Complaint Analysis and Classification for Economic and Food Safety João Filgueiras author Luís Barbosa author Gil Rocha author Henrique Lopes Cardoso author Luís Paulo Reis author João Pedro Machado author Ana Maria Oliveira author 2019-11 text Proceedings of the Second Workshop on Economics and Natural Language Processing Udo Hahn editor Véronique Hoste editor Zhu Zhang editor Association for Computational Linguistics Hong Kong conference publication filgueiras-etal-2019-complaint 10.18653/v1/D19-5107 https://aclanthology.org/D19-5107/ 2019-11 51 60