[8] M. Guillaumin, T. Mensink, J. Verbeek, and C. Schmid. Tagprop:
Discriminative metric learning in nearest neighbor models for image
auto-annotation. In Proc. ICCV, 2009
[13] X. Li and C. G. M. Snoek. Classifying tag relevance with relevant
positive and negative examples. In Proc. MM, 2013.
[14] X. Li, T. Uricchio, L. Ballan, M. Bertini, C. G. M. Snoek, and A. del
Bimbo. Socializing the semantic gap: A comparative study on image
tag assignment, refinement and retreival, 2015. http://arxiv.org/abs/1503.08248.
