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.

Jäschke, Robert, Marinho, Leandro, Hotho, Andreas, Schmidt-Thieme, Lars and Stumme, Gerd. "Tag Recommendations in Social Bookmarking Systems." AI Communications 21 , no. 4 (2008): 231-247.

Hotho, Andreas, Benz, Dominik, Eisterlehner, Folke, Jäschke, Robert, Krause, Beate, Schmitz, Christoph and Stumme, Gerd. "Publikationsmanagement mit BibSonomy -- ein Social-Bookmarking-System für Wissenschaftler." HMD -- Praxis der Wirtschaftsinformatik Heft 271 (2010): 47-58.

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.