Semantics, Web and Mining. Edited by Markus Ackermann, Bettina Berendt, Marko Grobelnik, Andreas Hotho, Dunja Mladenic, Giovanni Semeraro, Myra Spiliopoulou, Gerd Stumme, Vojtech Svatek and Maarten van Someren. Heidelberg: Springer, 2006.

Proceedings of the 2nd Workshop on Semantic Network Analysis. Alani, Harith, Hoser, Bettina, Schmitz, Christoph and Stumme, Gerd, eds. (2006). .

Hoser, Bettina, Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Semantic Network Analysis of Ontologies." Paper presented at the meeting of the The Semantic Web: Research and Applications, Heidelberg, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "BibSonomy: A Social Bookmark and Publication Sharing System." Paper presented at the meeting of the Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures, Aalborg, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Emergent Semantics in BibSonomy." Paper presented at the meeting of the Informatik 2006 -- Informatik für Menschen. Band 2, Bonn, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "FolkRank: A Ranking Algorithm for Folksonomies." Paper presented at the meeting of the Proc. FGIR 2006, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Trend Detection in Folksonomies." Paper presented at the meeting of the Proc. First International Conference on Semantics And Digital Media Technology (SAMT) , Heidelberg, 2006.

Jäschke, Robert, Hotho, Andreas, Schmitz, Christoph and Stumme, Gerd. "Wege zur Entdeckung von Communities in Folksonomies." Paper presented at the meeting of the Proc. 18. Workshop Grundlagen von Datenbanken, Halle-Wittenberg, 2006.

Schmitz, Christoph, Hotho, Andreas, Jäschke, Robert and Stumme, Gerd. "Content Aggregation on Knowledge Bases using Graph Clustering." Paper presented at the meeting of the The Semantic Web: Research and Applications, Heidelberg, 2006.

Schmitz, Christoph, Hotho, Andreas, Jäschke, Robert and Stumme, Gerd Kollaboratives Wissensmanagement. Pellegrini, Tassilo and Blumauer, Andreas, eds. Semantic Web - Wege zur vernetzten Wissensgesellschaft , Springer (2006). , 273-290 .

Schmitz, Christoph, Hotho, Andreas, Jäschke, Robert and Stumme, Gerd. "Mining Association Rules in Folksonomies." Paper presented at the meeting of the Data Science and Classification. Proceedings of the 10th IFCS Conf., Heidelberg, 2006.

Stumme, Gerd, Hotho, Andreas and Berendt, Bettina. "Semantic Web Mining - State of the Art and Future Directions." Journal of Web Semantics 4 , no. 2 (2006): 124-143.