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Posted to dev@datafu.apache.org by "Casey Stella (JIRA)" <ji...@apache.org> on 2014/05/05 22:41:15 UTC

[jira] [Updated] (DATAFU-37) Add Locality Sensitive Hashing UDFs

     [ https://issues.apache.org/jira/browse/DATAFU-37?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Casey Stella updated DATAFU-37:
-------------------------------

    Attachment: DATAFU-37-1.patch

I fixed the issues brought up in reviewboard, updated reviewboard with the most recent patch and am posting the new patch here for comment.

Thanks again for reviewing!

> Add Locality Sensitive Hashing UDFs
> -----------------------------------
>
>                 Key: DATAFU-37
>                 URL: https://issues.apache.org/jira/browse/DATAFU-37
>             Project: DataFu
>          Issue Type: New Feature
>            Reporter: Casey Stella
>            Assignee: Casey Stella
>         Attachments: DATAFU-37-1.patch, DATAFU-37.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Create a set of UDFs to implement [Locality Sensitive Hashing|http://en.wikipedia.org/wiki/Locality-sensitive_hashing] in support of finding k-near neighbors.   Initially, hashes associated with L1, L2 and Cosine similarity should be supported.



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