Balby Marinho, L. and Hotho, A. and Jäschke, R. and Nanopoulos, A. and Rendle, S. and Schmidt-Thieme, L. and Stumme, G. and Symeonidis, P.. Recommender Systems for Social Tagging Systems. SpringerBriefs in Electrical and Computer Engineering, Springer, Year 2012.

Jäschke, Robert and Hotho, Andreas and Mitzlaff, Folke and Stumme, Gerd. Challenges in Tag Recommendations for Collaborative Tagging Systems. Recommender Systems for the Social Web. editor(s) Pazos Arias, José J. and Fernández Vilas, Ana and Díaz Redondo, Rebeca P.. Intelligent Systems Reference Library, (32) 65--87, Springer, Berlin/Heidelberg, Year 2012.

Krause, Beate and Hotho, Andreas and Stumme, Gerd. A Comparison of Social Bookmarking with Traditional Search. Advances in Information Retrieval, 30th European Conference on IR Research, ECIR 2008. editor(s) Macdonald, Craig and Ounis, Iadh and Plachouras, Vassilis and Ruthven, Ian and White, Ryen W.. LNAI, (4956) 101-113, Springer, Heidelberg, Year 2008.

Krause, Beate and Jäschke, Robert and Hotho, Andreas and Stumme, Gerd. Logsonomy - Social Information Retrieval with Logdata. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia. 157--166, ACM, New York, NY, USA, Year 2008.

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

Grahl, Miranda and Hotho, Andreas and Stumme, Gerd. Conceptual Clustering of Social Bookmark Sites. Workshop Proceedings of Lernen -- Wissensentdeckung -- Adaptivität (LWA 2007). editor(s) Hinneburg, Alexander. 50-54, Martin-Luther-Universität Halle-Wittenberg, Year 2007.

Grahl, Miranda and Hotho, Andreas and Stumme, Gerd. Conceptual Clustering of Social Bookmarking Sites. 7th International Conference on Knowledge Management (I-KNOW '07). 356-364, Know-Center, Graz, Austria, Year 2007.

Jaeschke, Robert and Marinho, Leandro and Hotho, Andreas and Schmidt-Thieme, Lars and Stumme, Gerd. Tag Recommendations in Folksonomies. Workshop Proceedings of Lernen - Wissensentdeckung - Adaptivität (LWA 2007). editor(s) Hinneburg, Alexander. 13-20, Martin-Luther-Universität Halle-Wittenberg, Year 2007.

Jäschke, Robert and Hotho, Andreas and Schmitz, Christoph and Stumme, Gerd. Analysis of the Publication Sharing Behaviour in BibSonomy. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007). editor(s) Priss, U. and Polovina, S. and Hill, R.. Lecture Notes in Artificial Intelligence, (4604) 283--295, Springer-Verlag, Berlin, Heidelberg, Year 2007.

Hotho, Andreas and Jäschke, Robert and Schmitz, Christoph and Stumme, Gerd. BibSonomy: A Social Bookmark and Publication Sharing System. Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures. editor(s) de Moor, Aldo and Polovina, Simon and Delugach, Harry. 87-102, Aalborg Universitetsforlag, Aalborg, Year 2006.