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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HAMA-591) Improve Pagerank
Date Tue, 19 Jun 2012 13:09:43 GMT

     [ https://issues.apache.org/jira/browse/HAMA-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Jungblut resolved HAMA-591.
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.5.0
    
> Improve Pagerank
> ----------------
>
>                 Key: HAMA-591
>                 URL: https://issues.apache.org/jira/browse/HAMA-591
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp core, graph
>    Affects Versions: 0.5.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>              Labels: newbie
>             Fix For: 0.5.0
>
>         Attachments: HAMA-591.patch
>
>
> We can now add more aggregators, for example to get how many dangling nodes there are
to spread probability mass correctly / get the number of global vertices. Example in JENA
[1].
> Also we can extract a RandomWalkVertex that is abstracting the very distinct behaviour
of pagerank. 
> [1] https://github.com/castagna/jena-grande/blob/3c2d9f85bacb737acd575e3e287dc0fcc6bd96b9/src/main/java/org/apache/jena/grande/giraph/pagerank/PageRankVertex.java

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