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https://issues.apache.org/jira/browse/FLINK-1758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14484000#comment-14484000
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ASF GitHub Bot commented on FLINK-1758:
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GitHub user andralungu opened a pull request:
https://github.com/apache/flink/pull/576
[FLINK-1758][gelly] Neighborhood Methods Extensions
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andralungu/flink extendNeighborhood
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/576.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #576
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commit e5f6571c7cb05d96aac84530beb52cef968243d7
Author: andralungu <lungu.an...@gmail.com>
Date: 2015-04-07T20:29:18Z
[FLINK-1758][gelly] Neighborhood Methods Extensions
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> Extend Gelly's neighborhood methods
> -----------------------------------
>
> Key: FLINK-1758
> URL: https://issues.apache.org/jira/browse/FLINK-1758
> Project: Flink
> Issue Type: Improvement
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Vasia Kalavri
> Assignee: Andra Lungu
>
> Currently, the neighborhood methods only allow returning a single value per
> vertex. In many cases, it is desirable to return several or no value per
> vertex. This is the case in clustering coefficient computation,
> vertex-centric jaccard, algorithms where a vertex computes a value per edge
> or when a vertex computes a value only for some of its neighbors.
> This issue proposes to
> - change the current reduceOnEdges/reduceOnNeighbors methods to use
> combinable reduce operations where possible
> - provide groupReduce-versions, which will use a Collector and allow
> returning none or more values per vertex.
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