Source code for hypergraph random walk playlist models, as described in
Hypergraph models of playlist dialects. B. McFee and G.R.G. Lanckriet. 13th International Society for Music Information Retrieval conference, 2012.
http://cseweb.ucsd.edu/~bmcfee/papers/ismir2012_dialect.pdf
If you use this code, please cite the above publication.