UserSimilarity-based NearestNNeighborhood
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Key: MAHOUT-95
URL: https://issues.apache.org/jira/browse/MAHOUT-95
Project: Mahout
Issue Type: Improvement
Components: Collaborative Filtering
Reporter: Otis Gospodnetic
Priority: Minor
Attachments: UserSimilarityNearestNUserNeighborhood.java
A variation of NearestNUserNeighborhood. This version adds the minSimilarity
parameter, which is the primary factor for including/excluding other users from
the target user's neighbourhood. Additionally, the 'n' parameter was renamed
to maxHoodSize and is used to optionally limit the size of the neighbourhood.
The patch is for a brand new class, but we may really want just a single class
(either keep this one and axe NearestNUserNeighborhood or add this
functionality to NearestNUserNeighborhood), if this sounds good.
I'll update the unit test and provide a patch for that if others think this can
go in.
Thoughts?
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