C. Scholz, M. Atzmueller, and G. Stumme. Proc. 21st Intl. Symposium on Methodologies for Intelligent Systems, Heidelberg, Germany, Springer Verlag, (2014)
F. Lemmerich, and M. Atzmueller. Privacy, security, risk and trust (passat), 2011 ieee third international conference on and 2011 ieee third international conference on social computing (socialcom), page 1356 -1363. (2011)