Hey Ted Dunning, What is already possible on multi-modal recommendation in the non-hadoop-implementation of the Mahout recommenders? And if it's still under development, do you perhaps have a different suggestion (within the possibilities of Mahout)?
Best regards, Floris Devriendt 2014-07-14 18:45 GMT+02:00 Ted Dunning <[email protected]>: > I would separate the two interactions. Type 1 is like. Type 2 is dislike. > They will have different correlations to different predicted interactions. > > This is an ideal use case for multi-modal recommendation. Pat is working > on bringing that into the DSL as we speak. > > > > On Mon, Jul 14, 2014 at 7:21 AM, Floris Devriendt < > [email protected] > > wrote: > > > Hey all, > > > > When using a discrete rating scale (e.g. likes / dislikes), what are the > > things that I should consider when using Mahout for Collaborative > > Filtering? > > > > If I'm not mistaking I've read a mail a week or two ago from this mailing > > list stating that one should avoid using 0 (dislike) and 1 (like) as > > scores, because Mahout would not be able to take into account the > dislikes > > properly. > > If this is true, what scores should I give to my like/dislike scale? > (e.g. > > is -1/1 better than 0/1, or should I use 1/2 with 1 = dislike and 2 = > > like?) > > > > Best regards, > > Floris Devriendt > > >
