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From "Ankur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-344) Minhash based clustering
Date Mon, 12 Sep 2011 06:41:09 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-344?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102460#comment-13102460
] 

Ankur commented on MAHOUT-344:
------------------------------

Sure, will do it in next 2 - 3 days

> Minhash based clustering 
> -------------------------
>
>                 Key: MAHOUT-344
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-344
>             Project: Mahout
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 0.3
>            Reporter: Ankur
>            Assignee: Ankur
>             Fix For: 0.4
>
>         Attachments: MAHOUT-344-v1.patch, MAHOUT-344-v2.patch, MAHOUT-344-v3.patch, MAHOUT-344-v4.patch,
MAHOUT-344-v5.patch, MAHOUT-344-v6.patch, MAHOUT-344-v7.patch
>
>
> Minhash clustering performs probabilistic dimension reduction of high dimensional data.
The essence of the technique is to hash each item using multiple independent hash functions
such that the probability of collision of similar items is higher. Multiple such hash tables
can then be constructed  to answer near neighbor type of queries efficiently.

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