[MAHOUT-387] Cosine item similarity implementation

• Type: New Feature
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.4
• Assignee: Sean R. Owen
• Reporter: Sebastian Schelter
• Created: 27/Apr/10 16:32
• Updated: 31/Jan/24 22:11
• Resolved: 28/Apr/10 20:15

Description

I needed to compute the cosine similarity between two items when running org.apache.mahout.cf.taste.hadoop.pseudo.RecommenderJob, I couldn't find an implementation (did I overlook it maybe?) so I created my own. I want to share it here, in case you find it useful.