Sam Roweis' "Machine Learning, Probability, and Graphical Models"
Watch this lecture to review the applications of probabilistic learning, the concept of representation, and examples of training and graphical models. You may wish to work through the slides available on the left-hand side of this web-page as you listen to the lecture.
Click http://videolectures.net/mlss06tw_roweis_mlpgm/ link to open resource.