End-User Development 6th International Symposium, IS-EUD 2017, Eindhoven, The Netherlands, June 13-15, 2017, Proceedings - Barbosa, Simone; Markopoulos, Panos; Paternò, Fabio; Stumpf, Simone; Valtolina, Stefano (Springer International Publishing : Imprint: Springer, 2017)