Romit Singhai created MAHOUT-1374:
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Summary: Ability to provide input file with userid, itemid pair
Key: MAHOUT-1374
URL: https://issues.apache.org/jira/browse/MAHOUT-1374
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Affects Versions: 0.8
Reporter: Romit Singhai
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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