C. Scholz, M. Atzmueller, und G. Stumme. Proc. Fourth ASE/IEEE International Conference on Social Computing (SocialCom), Boston, MA, USA, IEEE Computer Society, (2012)
B. Berendt, A. Hotho, und G. Stumme. Proc. of the 1st Intl. Workshop on Representation and Analysis of Web Space, Seite 1-16. Technical University of Ostrava, (2005)