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From Sean Owen <sro...@gmail.com>
Subject Re: Mahout in Action/ Distributed recommandation
Date Mon, 09 Aug 2010 15:36:48 GMT
Sebastian should we make that default to something? Like a simple
co-occurrence count? That would be more consistent with the past
behavior.

On Mon, Aug 9, 2010 at 10:32 AM, Sebastian Schelter
<ssc.open@googlemail.com> wrote:
> It's also necessary to supply the name of a class implementing
> org.apache.mahout.math.hadoop.similarity.vector.DistributedVectorSimilarity
> (as parameter --similarityClassname). This similarity implementation
> will be used to compute the item-item-similarity matrix used for the
> recommendation process.
>
> Implementations for common similarity measures can be found in
> org.apache.mahout.math.hadoop.similarity.vector.

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