Tsuda, K Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
http://www.jmlr.org/papers/volume4/tsuda03a/tsuda03a.pdf (Verlagsversion)
Tsuda, K., Akaho, S., & Asai, K. (2003). The em Algorithm for Kernel Matrix Completion with Auxiliary Data. The Journal of Machine Learning Research, 4, 67-81.