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https://issues.apache.org/jira/browse/MAHOUT-61?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606947#action_12606947
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Karl Wettin commented on MAHOUT-61:
-----------------------------------
Tokenization is currently more of a classification problem than a clusterer
problem solver. I wanted to add shingles but could not find the class in the
lucene dists? Not even in a snapshot.
So far this code just creates a matrix. I needs to be written to file so it can
be read by the algorithms that wants to use it. I have not really tested this,
it is an early beta just to get some feedback.
> 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
>
>
> 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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