B. Francisco et al., "Analysis of the tourist’s behavior in Lisbon using data from a mobile operator", in Intelligent Transport Systems. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Martins, A. L., Ferreira, J. C., Kocian, A., and Tokkozhina, U., Ed., Lisboa, Spinger, 2023, vol. 486, pp. 3-22