Inproceedings (heymann2008social)
Heymann, P.; Ramage, D. & Garcia-Molina, H.
Social tag prediction
ACM, 2008, 531-538

Article (keyhere)
Xu, Y.; Zhang, L. & Liu, W.
Cubic Analysis of Social Bookmarking for Personalized Recommendation
Frontiers of WWW Research and Development - APWeb 2006, 2006, 733-738