?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Stern%2C+David+%3Chttp%3A%2F%2Fwww2009.eprints.org%2Fview%2Fauthor%2FStern%3D3ADavid%3D3A%3D3A.html%3E&rft.aulast=Stern&rft.aufirst=David&rft.date=April+2009&rft.title=Matchbox%3A+Large+Scale+Online+Bayesian+Recommendations&rft.genre=proceeding