Jing Liu 0001Yifan Zhang 0001Zechao LiHanqing LuCorrelation consistency constrained probabilistic matrix factorization for social tag refinement.3-92013119Neurocomputinghttps://doi.org/10.1016/j.neucom.2012.02.052db/journals/ijon/ijon119.html#LiuZLL13