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https://issues.apache.org/jira/browse/MAHOUT-65?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720797#action_12720797
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Sean Owen commented on MAHOUT-65:
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For strictly internal representations, the default Java serialization mechanism
isn't bad at all. It is a pretty straightforward binary serialization (and can
be overridden) and has the advantage of being pretty seamless to use in Java.
I would have also suggested PBs myself, what is the open-sourceness concern?
I agree that any string-based representation is going to be a lot slower, I'm
almost sure, so this is a worthy inquiry. For external input and output however
a more readable format could be desirable indeed.
> Add Element Labels to Vectors and Matrices
> ------------------------------------------
>
> Key: MAHOUT-65
> URL: https://issues.apache.org/jira/browse/MAHOUT-65
> Project: Mahout
> Issue Type: New Feature
> Components: Matrix
> Affects Versions: 0.1
> Reporter: Jeff Eastman
> Assignee: Jeff Eastman
> Attachments: MAHOUT-65-name.patch, MAHOUT-65-name.patch,
> MAHOUT-65-name.patch, MAHOUT-65.patch, MAHOUT-65b.patch, MAHOUT-65c.patch,
> MAHOUT-65d.patch
>
>
> Many applications can benefit by accessing elements in vectors and matrices
> using String labels in addition to numeric indices. Investigate adding such a
> capability.
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