Collaborative Topic Regression with Social Matrix Factorization for Recommendation Systems
This is an implementation of http://icml.cc/discuss/2012/407.html, that's based on the original CTR code by Chong Wang and David Blei - available in it's original form at http://www.cs.princeton.edu/~chongw/.
See README.ctr.MD for copyright/license issues that governs their work.