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https://issues.apache.org/jira/browse/FLINK-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262194#comment-15262194
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Vasia Kalavri commented on FLINK-3772:
--------------------------------------

No I haven't, since our dev list discussion hasn't converged to a clear plan 
for this issue yet. There were some issues raised there, e.g. how much overlap 
is there with existing methods and whether we can replace existing methods with 
these more efficient implementations. Would you mind offering your input to 
these questions in the mailing list?

> Graph algorithms for vertex and edge degree
> -------------------------------------------
>
>                 Key: FLINK-3772
>                 URL: https://issues.apache.org/jira/browse/FLINK-3772
>             Project: Flink
>          Issue Type: New Feature
>          Components: Gelly
>    Affects Versions: 1.1.0
>            Reporter: Greg Hogan
>            Assignee: Greg Hogan
>             Fix For: 1.1.0
>
>
> Many graph algorithms require vertices or edges to be marked with the degree. 
> This ticket provides algorithms for annotating
> * vertex degree for undirected graphs
> * vertex out-, in-, and out- and in-degree for directed graphs
> * edge source, target, and source and target degree for undirected graphs



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