C. Schmitz, A. Hotho, R. Jäschke, und G. Stumme. Data Science and Classification. Proceedings of the 10th IFCS Conf., Seite 261--270. Heidelberg, Springer, (Juli 2006)
C. Scholz, M. Atzmueller, M. Kibanov, und G. Stumme. Advances in Social Networks Analysis and Mining (ASONAM), 2013 International Conference on, Los Alamitos, CA, USA, (2013)