You dont have to ask. Please go ahead file a JIRA issue, and start working on it. http://issues.apache.org/jira/browse/MAHOUT
Robin On Sat, Sep 26, 2009 at 12:33 AM, Jake Mannix <[email protected]> wrote: > Those look very cool, I'd love to see how those compare with doing > plain-old Lanczos for SVD on Hadoop. Speaking of which, I've got an > implementation of that which I wrote up for my own matrix library ( > http://decomposer.googlecode.com ) a while back, and I noticed that we > still > don't have any large-scale SVD impls in Mahout. Is there any interest by > the community for me to try and port that / contribute this to Mahout? > It's > Apache-licensed, but I'm currently using mostly my own sparse and dense > vector writables for use on Hadoop (designed specifically for things like > Lanczos and AGHA), so I'd need to port them over to use whichever vector > impls Mahout is using. > > -jake > > On Fri, Sep 25, 2009 at 11:25 AM, Ted Dunning <[email protected]> > wrote: > > > Isabel, > > > > Very interesting post. Here are more accessible resources: > > > > http://arxiv.org/abs/0909.4061 > > http://www.pnas.org/content/104/51/20167 > > > > THese provide a very interesting and solid link between random indexing > and > > SVD algorithms. They also definitely provide a fantastic way to > implement > > large scale SVD using map-reduce. > > > > Nice pointer! > > > > 2009/9/25 Michael Brückner <[email protected]> > > > > > > > > year's NIPS (http://nips.cc/Conferences/2009/Program/event.php?ID=1491 > ) > > > > > > > > > > -- > > Ted Dunning, CTO > > DeepDyve > > >
