P
Loreto, V. & Capocci, A. (2009): Tagging Dynamics in Online Communities. In: HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia, New York, NY, USA. [BibTeX][Endnote]

J
Steels, L. (2006): Collaborative tagging as distributed cognition. In: Pragmatics and Cognition, Ausgabe/Number: 2, Vol. 14, Erscheinungsjahr/Year: 2006. Seiten/Pages: 275-285. [Volltext] [BibTeX] [Endnote]