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From Sean Owen <>
Subject Re: Generating a Document Similarity Matrix
Date Wed, 09 Jun 2010 17:58:22 GMT
Well I'm not sure they're unique, they're just vectors. Would that not
be the best neutral representation for things like this?

What was the comment about keying by ints vs longs earlier? If
unifying that helps bring things closer together I can look at it, if
I can understand the issue.

On Wed, Jun 9, 2010 at 6:56 PM, Sebastian Schelter
<> wrote:
> The ItemSimilarityJob cannot be directly used as its not working on a
> DistributedRowMatrix but on data structures unique to collaborative
> filtering, so if you ask me I'd say that a separate job would be required.

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