Authors focus on Flickr and Last.fm, two social media systems in which we can relate the tagging activity of the users with an explicit representation of their social network
R. Jäschke, L. Marinho, A. Hotho, L. Schmidt-Thieme, и G. Stumme. Knowledge Discovery in Databases: PKDD 2007, 11th European Conference on Principles and Practice of Knowledge Discovery in Databases, том 4702 из Lecture Notes in Computer Science, стр. 506-514. Berlin, Heidelberg, Springer, (2007)