Keep system satus visible: impact of notifications on the perception of personal data transparency - Filgueiras, Lucia Vilela Leite; Leal, Adriano da Silva Ferreira; Coleti, Thiago Adriano; Morandini, Marcelo; Correa, Pedro Luiz Pizzigatti; Alves-Souza, Solange Nice (Lecture Notes in Computer Science, 2019)