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.

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.