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 AIRWeb '08: Proceedings of the 4th International Workshop on Adversarial Information Retrieval on the Web, New York, NY, USA, 2008.

Bade, Korinna and Benz, Dominik. "Evaluation Strategies for Learning Algorithms of Hierarchical Structures." Paper presented at the meeting of the Proceedings of the 32nd Annual Conference of the German Classification Society - Advances in Data Analysis, Data Handling and Business Intelligence (GfKl 2008), Berlin-Heidelberg, 2008.

Benz, Dominik, Grobelnik, Marko, Hotho, Andreas, Jäschke, Robert, Mladenic, Dunja, Servedio, Vito D. P., Sizov, Sergej and Szomszor, Martin. "Analyzing Tag Semantics Across Collaborative Tagging Systems." Paper presented at the meeting of the Proceedings of the Dagstuhl Seminar on Social Web Communities, 2008.