This set of slides seems to be the best overview of what this is and what the goals are: http://ppaml.galois.com/wiki/attachment/wiki/Presentations/PPAMLKickoff

This set of slides seems to be the best overview of what this is and what the goals are: http://ppaml.galois.com/wiki/attachment/wiki/Presentations/PPAMLKickoffOverviewSlides.pdf?format=raw http://ppaml.galois.com/wiki/attachment/wiki/Presentations/P... (It seems to be a big DARPA-organized effort to create next-generation tools that enable the creation of probabilistic machine learning systems that are significantly more capable and can handle more complex models than current tools allow.)