Benz, D., Tso, K. H. L. & Schmidt-Thieme, L. (2006). Automatic Bookmark Classification - A Collaborative Approach. Proceedings of the 2nd Workshop in Innovations in Web Infrastructure (IWI2) at WWW2006, May, Edinburgh, Scotland.

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Emergent Semantics in BibSonomy. In C. Hochberger & R. Liskowsky (eds.), Informatik 2006 -- Informatik für Menschen. Band 2, October, Bonn: Gesellschaft für Informatik.

Hotho, A., Jäschke, R., Schmitz, C. & Stumme, G. (2006). Trend Detection in Folksonomies. In Y. S. Avrithis, Y. Kompatsiaris, S. Staab & N. E. O'Connor (eds.), Proc. First International Conference on Semantics And Digital Media Technology (SAMT) (p./pp. 56-70), December, Heidelberg: Springer. ISBN: 3-540-49335-2