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https://issues.apache.org/jira/browse/GIRAPH-191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Homan reassigned GIRAPH-191:
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Assignee: Gianmarco De Francisci Morales
> Random Walks on Graphs
> ----------------------
>
> Key: GIRAPH-191
> URL: https://issues.apache.org/jira/browse/GIRAPH-191
> Project: Giraph
> Issue Type: New Feature
> Components: examples
> Affects Versions: 0.2.0
> Reporter: Gianmarco De Francisci Morales
> Assignee: Gianmarco De Francisci Morales
> Attachments: GIRAPH-191-1.patch, GIRAPH-191.2.patch,
> GIRAPH-191.patch, PIG-191.1.patch
>
>
> Implementing RWR on Giraph should be a very simple modification of the
> SimplePageRankVertex code.
> {code}
> if ( myID == sourceID )
> DoubleWritable vertexValue = new DoubleWritable((0.15f + 0.85f * sum);
> else
> DoubleWritable vertexValue = new DoubleWritable(0.85f * sum);
> {code}
> It would be nice to make it as configurable as possible by using parametric
> damping factors, preference vectors, strongly preferential, etc...
> More or less along these lines:
> http://law.dsi.unimi.it/software/docs/it/unimi/dsi/law/rank/PageRank.html
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