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https://issues.apache.org/jira/browse/HAMA-591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295249#comment-13295249
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Thomas Jungblut commented on HAMA-591:
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Besides that, there seems to be a few small bugs in the testcase of pagerank.
In the input array there are some squarebrackets in the name, that shouldn't be
there and it seems to have some problems to converge properly.
> 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
> Labels: newbie
>
> 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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