In: Marco Winckler; Hilary Johnson; Philippe Palanque (Hrsg.). 6th International workshop on TAsk MOdels and DIAgrams. International Workshop on Task Models and Diagrams for User Interface Design (TAMODIA-07), November 7-9, Toulouse, France, Pages 279-286, Lecture Notes in Computer Science (LNCS), Vol. 4849, ISBN 978-3-540-77221-7, Springer, Berlin, 2007.