Week 2 server-side Recommendation Engine

[shiffman]

At some point, I would like to make a version of the recommendation system example using the large MovieLens dataset and pre-computing item relationships for fast recommendations. (See Programming Collective Intelligence). The data is in the week 2 examples, but I didn't have a chance to build it yet.

[pavanreddy1998]

Can you build the server side using movielens