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From Grant Ingersoll <>
Subject Re: [gsoc] Collaborative filtering algorithms
Date Wed, 04 Mar 2009 12:19:52 GMT

On Mar 4, 2009, at 3:55 AM, Sean Owen wrote:

> Yes there is a framework in the code for running a Recommender across
> machines in Hadoop, and a Hadoop job which distributes part of the
> processing for a slope one recommender.
> Both could use testing, refinement and enhancement.
> I do not know of an algorithm which is by nature efficiently  
> distributable.
> Finding and implementing such a thing would be great.
> I would be the person to contact about this so feel free to run your
> proposals by me.

Sean definitely is the expert, but please don't have discussions off  
list (if that is what is implied here).  We'll all benefit from the  
discussion and I know I've learned a lot about CF already just from  
what has taken place so far.

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