autores Cortez, Paulo Cortez, P. Cortez, P. Sousa, Pedro Vaz, R. Vaz, R. Rocha, M. Rocha, M. Rui Vaz Rio, M. Rio, M. Rocha, Miguel Miguel Rio Sousa, P. Sousa, P. Paulo, Cortez Rui, Vaz Aksoy-Aksel, A.
palavras-chave Collaborative filtering Content-based filtering Evolutionary algorithms Feature selection Naive bayes Spam email Symbiotic filtering Text classification