Symbolic representations of time series applied to biometric recognition based on ECG signals - Passos, Henrique dos Santos; Teodoro, Felipe Gustavo Silva; Duru, Bruno Matarazzo; Oliveira, Edenilton Lima de; Peres, Sarajane Marques; Lima, Clodoaldo Aparecido de Moraes (International Joint Conference on Neural Networks. Proceedings, 2017)