Resume
This work is cataloged in the Scientific Portal. Officially published in Telematics and Informatics (2018). Referenced as: "Abreu, A.; Afonso, A.P.; Carvalho, J.V.; Rocha, Á.; Abreu, Antonio; Afonso, Ana Paula; Carvalho, Joao Vidal; Rocha, Alvaro".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.1016/j.tele.2017.11.011