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From Walter Chang <>
Subject question on how to write a custom item similarity function
Date Sat, 03 Sep 2011 00:43:20 GMT

If an item has both user rating and item specific contents(category, item
description content) for example for product recommendation, how can i
customize the similarity function ? As far as I understand, the current
mahout similarity function is based on user rating only. Any one had
experience writing a custom item based similarity function ?

Thanks a lot,


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