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From "Sebastian Schelter (JIRA)" <>
Subject [jira] [Updated] (MAHOUT-1374) Ability to provide input file with userid, itemid pair
Date Wed, 26 Mar 2014 05:16:16 GMT


Sebastian Schelter updated MAHOUT-1374:

    Fix Version/s: 1.0

> Ability to provide input file with userid, itemid pair
> ------------------------------------------------------
>                 Key: MAHOUT-1374
>                 URL:
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>    Affects Versions: 0.8
>            Reporter: Romit Singhai
>             Fix For: 1.0
> Currently while running the itembased recommender from the command line, user can get
recommendation for a particular set of users by using the userFile option or for particular
set of itemId's by using the itemFile option. Using these option together seems to provide
recommendations for the cross product for the two inputs. We need an option say userItemFile
where a coma separated userid,itemid pair is provide on each line as input and output will
be userid,itemid,recommendation. This functionality will be very useful for lot users.

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