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 <[email protected]> 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.
