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https://issues.apache.org/jira/browse/FLINK-4963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15647934#comment-15647934
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ASF GitHub Bot commented on FLINK-4963:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2725
> Tabulate edge direction for directed VertexMetrics
> --------------------------------------------------
>
> Key: FLINK-4963
> URL: https://issues.apache.org/jira/browse/FLINK-4963
> Project: Flink
> Issue Type: Improvement
> Components: Gelly
> Affects Versions: 1.2.0
> Reporter: Greg Hogan
> Assignee: Greg Hogan
> Priority: Minor
> Fix For: 1.2.0
>
>
> The current implementation simply counts edges. We can do one better and
> tabulate unidirectional (u:v but no v:u) and bidirectional edges (u:v and
> v:u).
> This is effectively the ['dyadic
> census'|http://file.scirp.org/pdf/SN_2013012915270187.pdf].
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