S. M. Moro et al., "Research trends in CISTI's unveiled through text mining", in 12th Iberian Conf. on Information Systems and Technologies (CISTI'2017), Álvaro Rocha, Bráulio Alturas, Carlos J. Costa, Luís Paulo Reis e Manuel Pérez Cota, Ed., Lisboa, IEEE, 2017, pp. 1746-1750