Krause, Beate, Jäschke, Robert, Hotho, Andreas and Stumme, Gerd. "Logsonomy - Social Information Retrieval with Logdata." Paper presented at the meeting of the HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia, New York, NY, USA, 2008.

Krause, Beate, Schmitz, Christoph, Hotho, Andreas and Stumme, Gerd. "The Anti-Social Tagger - Detecting Spam in Social Bookmarking Systems." Paper presented at the meeting of the Proc. of the Fourth International Workshop on Adversarial Information Retrieval on the Web, 2008.