Schmitz, Christoph, Grahl, Miranda, Hotho, Andreas, Stumme, Gerd, Catutto, Ciro, Baldassarri, Andrea, Loreto, Vittorio, Servedio, Vito D. P.:
Network Properties of Folksonomies.
In: Proc. WWW2007 Workshop ``Tagging and Metadata for Social Information Organization''.
Banff,
2007