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https://issues.apache.org/jira/browse/MAHOUT-61?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12611732#action_12611732
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Karl Wettin commented on MAHOUT-61:
-----------------------------------

I suppose next step is to pass on the data to some algorithm. I'm going to 
start with MAHOUT-19.

> Text problem matrix builder 
> ----------------------------
>
>                 Key: MAHOUT-61
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-61
>             Project: Mahout
>          Issue Type: New Feature
>            Reporter: Karl Wettin
>            Assignee: Karl Wettin
>            Priority: Minor
>         Attachments: MAHOUT-61.txt, MAHOUT-61.txt, MAHOUT-61.txt
>
>
> A set of classes that builds matrices from text.
> Currently the API consists of TokenMatrixBuilder and TokenInstanceBuilder. 
> Should be thread safe.
> PostReader imports 20news-bydate. This takes several GB heap. It would be 
> nice to bounce the data via JDBM or perhaps using the PersistentHashMap in 
> MAHOUT-19.

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