Jäschke, Robert, Marinho, Leandro, Hotho, Andreas, Schmidt-Thieme, Lars, Stumme, Gerd, Tag Recommendations in Social Bookmarking Systems, in: AI Communications 21 4 (2008), S. 231-247.
Golder, Scott, Huberman, Bernardo A., Rezension zu: The Structure of Collaborative Tagging Systems (2005).