Congratulations Sebastian! On Tue, Jul 23, 2013 at 7:55 AM, Sebastian Schelter <[email protected]> wrote:
> Hi, > > the code is mostly in trunk, with one exception. We used JBlas for > solving the linear systems in ALS. Unfortunately, this requires certain > libs to be installed on the cluster machines, therefore we did not yet > commit this to Mahout. Its available on github if anyones interested [1]. > > I will share the paper once the camera ready version is finished :) > > > [1] > > https://github.com/sscdotopen/mahout-als/blob/jblas/math/src/main/java/org/apache/mahout/math/als/JBlasAlternatingLeastSquaresSolver.java > > > On 23.07.2013 10:31, Nick Pentreath wrote: > > Congrats Sebastian > > > > Is the code for this already in Mahout trunk? > > > > Nick > > > > > > On Sun, Jul 21, 2013 at 8:22 PM, Sebastian Schelter <[email protected]> > wrote: > > > >> I'm happy to anounce that a paper called "Distributed Matrix > >> Factorization with MapReduce using a series of Broadcast-Joins" written > >> by me and my colleagues at TU Berlin has been accepted for publication > >> at the ACM Conference on Recommender Systems 2013. > >> > >> The paper discusses Mahout's latest distributed ALS implementation and > >> contains experiments on the Netflix dataset (100M ratings), the Yahoo > >> Music dataset (> 700M ratings) and a synthetic dataset generated from > >> Netflix with 25M users and more than 5 billion ratings. > >> > >> Best, > >> Sebastian > >> > > > >
