Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Information Retrieval in Folksonomies: Search and Ranking." Paper presented at the meeting of the The Semantic Web: Research and Applications, Heidelberg, 2006.

Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. "Das Entstehen von Semantik in BibSonomy." Paper presented at the meeting of the Social Software in der Wertschöpfung, Baden-Baden, 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.

Schmitz, Christoph, Hotho, Andreas, J�schke, Robert and Stumme, Gerd Kollaboratives Wissensmanagement. Pellegrini, Tassilo and Blumauer, Andreas, eds. , Springer (2006). , 273-290 .

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. "Trend Detection in Folksonomies." Paper presented at the meeting of the Proc. First International Conference on Semantics And Digital Media Technology (SAMT) , Heidelberg, 2006.