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From Charly Lizarralde <>
Subject Few Users, Too Many Items
Date Wed, 08 Dec 2010 02:05:11 GMT
Hi, I'm currently working on a small dataset ( about 16k ratings) with only
1500 users and 9800 items. Most users do not have a rich neighbourhood and
item similarity does not work either as items are rated only a couple of

Is there any suggestion on how we can adresss this issue besides Content
Based Recommendations?


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