W. Grossmann, M. Sertkan, J. Neidhardt, H. Werthner:
"Pictures as a tool for matching tourist preferences with destinations.";
in: "Personalized Human-Computer Interaction.", M. Augstein, E. Herder, W. Wörndl (ed.); DeGruyter, Oldenbourg, 2018, ISBN: 978-3-11-055247-8, 1 - 5.
https://publik.tuwien.ac.at/files/publik_277331.pdf