Uma Ferramenta para Projeto de Sistemas de Diálogos para Call Center Baseados em Asterisk (A Tool for the Design of Dialog Systems for Asterisk-based Call Centers) [in Portuguese] Estillac Borges Filho author Pedro Batista author Aldebaro Klautau author 2013 text Proceedings of the 9th Brazilian Symposium in Information and Human Language Technology conference publication filho-etal-2013-uma https://aclanthology.org/W13-4831/ 2013