Human-Computer Interaction – INTERACT 2015 15th IFIP TC 13 International Conference, Bamberg, Germany, September 14-18, 2015, Proceedings, Part III - Abascal, Julio; Barbosa, Simone; Fetter, Mirko; Gross, Tom; Palanque, Philippe; Winckler, Marco (Springer International Publishing : Imprint: Springer, 2015)