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. "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.