Applications and Usability of Interactive TV 7th Iberoamerican Conference, jAUTI 2018, Bernal, Argentina, October 16-18, 2018, Revised Selected Papers - Abásolo, María José; Abásolo, María José; Silva, Telmo; Silva, Telmo; González, Nestor D.; González, Nestor D. (Springer International Publishing : Imprint: Springer, 2019)