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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-395) Example: PageRank
Date Sat, 11 Jun 2011 11:11:58 GMT

    [ https://issues.apache.org/jira/browse/HAMA-395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047880#comment-13047880
] 

Thomas Jungblut commented on HAMA-395:
--------------------------------------

It was a vertex that has no adjacents (no outlinks) so this vertex never got partitioned.
I fixed this, and now it works. I've not testet it in a cluster environment.
I'll do this tomorrow.

:)

But looks fine:

{noformat}
-------------------- RESULTS --------------------
www.amazon.com | 0.04801667859513165
www.facebook.com | 0.03126514362612176
stackoverflow.com | 0.04801667859513165
www.adobe.com | 0.14285714285714285
www.google.com | 0.03126514362612176
www.twitter.com | 0.062242748234433334
www.youtube.com | 0.03471644257141107
{noformat}

> Example: PageRank
> -----------------
>
>                 Key: HAMA-395
>                 URL: https://issues.apache.org/jira/browse/HAMA-395
>             Project: Hama
>          Issue Type: Improvement
>          Components: bsp, examples
>    Affects Versions: 0.2.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>         Attachments: HAMA-395-v2.patch, HAMA-395.patch
>
>
> I'd like to contribute my PageRank BSP as an example. 
> http://codingwiththomas.blogspot.com/2011/04/pagerank-with-apache-hama.html
> TODO:
> - refactor the partitioning from the SSSP patch in https://issues.apache.org/jira/browse/HAMA-359
(extract an utility class etc)
> - add a really cool web-sub-graph example dataset ;D
> - add a wiki page for it

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