mahout-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Wei Li <wei.le...@gmail.com>
Subject Re: RecommenderJob
Date Mon, 25 Aug 2014 08:54:26 GMT
Got your point, thanks Sharma and Peng for your replies.


On Mon, Aug 25, 2014 at 4:50 PM, Yash Sharma <yash360@gmail.com> wrote:

> Mahout collab filtering would remove the items you have already rated since
> you would not want to see the same items which you have already used and
> rated.
>
>
> On Mon, Aug 25, 2014 at 2:14 PM, Wei Li <wei.lee04@gmail.com> wrote:
>
> > OK, why not just output the items uses clicked or rated before? does it
> > output the these records if we provide the userFile option? thanks.
> >
> >
> > On Mon, Aug 25, 2014 at 4:41 PM, Peng Zhang <pzhang.xjtu@gmail.com>
> wrote:
> >
> > > If there are no suitable recommendations for a user, the output will
> not
> > > contain any records related to this user.
> > >
> > >
> > > Peng Zhang
> > >
> > >
> > > On Aug 25, 2014, at 4:38 PM, Wei Li <wei.lee04@gmail.com> wrote:
> > >
> > > > thanks Peng's answers. Yes, I know this case, but RecommenderJob does
> > not
> > > > output these records?
> > > >
> > > >
> > > > On Mon, Aug 25, 2014 at 3:37 PM, Peng Zhang <pzhang.xjtu@gmail.com>
> > > wrote:
> > > >
> > > >> If an item is not similar to anyone else, and a user only connects
> > with
> > > >> this item, this user doesnt get any recommended items.
> > > >>
> > > >> This is just one example.
> > > >>
> > > >> Peng Zhang
> > > >>
> > > >> --
> > > >> Sent from my iPhone
> > > >>
> > > >>> On Aug 25, 2014, at 2:22 PM, Wei Li <wei.lee04@gmail.com>
wrote:
> > > >>>
> > > >>> Hi Mahout users:
> > > >>>
> > > >>>   We have tried the item-based CF recommender with a user_id,
> > item_id,
> > > >>> rating data. while the recommendation output is less than our
> > expected,
> > > >> for
> > > >>> example, if we have 1000 users, the output should have 1000
> records,
> > > one
> > > >>> for each user, right?
> > > >>>
> > > >>> Best
> > > >>> Wei
> > > >>
> > >
> > >
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message