Yes! But it is very hard to find the time.
On Fri, Feb 14, 2014 at 11:51 AM, Andrew Musselman < [email protected]> wrote: > I'd like to see cross-recommendations added too. > > But I also want some automation of the steps required to build a simple > recommender like the solr/mahout example Ted and Ellen have in their > pamphlet. > > Lowering the barrier to entry by providing a sample pipeline would help a > lot of folks get started and hopefully would keep them interested. Perhaps > in examples/bin? > > > On Fri, Feb 14, 2014 at 10:56 AM, Pat Ferrel <[email protected]> > wrote: > > > There's been work done on the cross-recommender. There is a Mahout-style > > XRecommenderJob that has two preference models for two actions or > > preference types. It uses matrix multiply to get a cooccurrence type > > similarity matrix. If we had a cross-row-similarity-job, it could pretty > > easily be integrated and I'd volunteer to integrate it. The XRSJ is > > probably beyond me right now so if we can scare up someone to do that > we'd > > be a long way down the road. > > > > I'll put a feature request into Jira and take this to the dev list > > > > BTW this is already integrated with the solr-recommender. > > > > On Feb 8, 2014, at 7:19 PM, Ted Dunning <[email protected]> wrote: > > > > I have different opinions about each piece. > > > > I think that cross recommendation is as core as RowSimilarityJob and > should > > be a parallel implementation or integrated. Parallel is probably easier. > > It is even plausible to have a version of RowSimilarityJob that doesn't > > support all the different distance measures but does support multiple > cross > > and direct processing using LLR or related cooccurrence based measures. > It > > would be very cool if a single pass over the data could do many kinds of > co > > or cross occurrence operations. > > > > For dithering, it really is post processing. That said, it is also the > > single largest improvement that anybody typically gets when testing > > different options so it is a bit goofy to not have good support for some > > kinds of dithering. > > > > For Thompson sampled recommenders, I am not sure where to start hacking > on > > our current code. > > > > > > > > > > > > > > On Sat, Feb 8, 2014 at 4:53 PM, Pat Ferrel <[email protected]> > wrote: > > > > > That was by no means to criticize effort level, which has been > impressive > > > especially during the release. > > > > > > It was more a question about the best place to add these things and > > > whether they are important. Whether people see these things as custom > > post > > > processing or core. > > > > > > On Feb 8, 2014, at 12:13 PM, Ted Dunning <[email protected]> > wrote: > > > > > > ... > > > > > > The reason that we aren't adding this like cross-rec and other things > is > > > that "we" have full-time jobs, mostly. Suneel is full-time on Mahout, > > but > > > the rest are not. You seem more active than most. > > > > > > > > > > > > > >
