@article{14:1,author={Shinichi Nakajima and Masashi Sugiyama and S. Derin Babacan and Ryota Tomioka}, Title={Global Analytic Solution of Fully-observed Variational Bayesian Matrix Factorization},journal={Journal of Machine Learning Research},volume={14}, url={http://www.jmlr.org/papers/volume14/nakajima13a/nakajima13a.pdf}}