Perhaps integration between this site and Metacademy would fit your needs. Metacademy was discussed in a different HN thread[1] recently, and is especially relevant to your query because it seems that the seed topics are machine learning and probabilistic AI.

[1] https://news.ycombinator.com/item?id=7617683

We'd be totally up for that, Metacademy is fantastic - saw them yesterday too and had fun looking around. They seem to be very focused on Machine Learning at the moment, but could certainly make a great synergy once they've expanded their focus a little.

We've been working on that as it's something that affects lots of people. A very common case (which applies to me) is that you want advances courses in one topic and then introductory in others. The infrastructure for levelling is already there but we're having to manually assess the level of courses for most providers which takes some time.

Co-creator here - that's an great idea. I'd really like to see more sophisticated course suggestions too - I'll add it to our to-do list!