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https://issues.apache.org/jira/browse/FLINK-2093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585862#comment-14585862
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ASF GitHub Bot commented on FLINK-2093:
---------------------------------------
Github user andralungu commented on a diff in the pull request:
https://github.com/apache/flink/pull/818#discussion_r32414981
--- Diff: docs/libs/gelly_guide.md ---
@@ -240,6 +240,7 @@ Graph<Long, Double, Double> networkWithWeights =
network.joinWithEdgesOnSource(v
<img alt="Union Transformation" width="50%" src="fig/gelly-union.png"/>
</p>
+* <strong>Difference</strong>: Gelly's `difference()` method performs a
difference on the vertex and edge sets of the input graphs. The resultant graph
is formed by removing the common vertices and edges from the graph.
--- End diff --
I think @vasia also wanted you to update the description for union ^^
Now, this still looks a bit unclear. It seems that there are two input
graphs. You should make it obvious that the current graph gets differentiated
with an input graph. That way, you won't leave room for comments.
> Add a difference method to Gelly's Graph class
> ----------------------------------------------
>
> Key: FLINK-2093
> URL: https://issues.apache.org/jira/browse/FLINK-2093
> Project: Flink
> Issue Type: New Feature
> Components: Gelly
> Affects Versions: 0.9
> Reporter: Andra Lungu
> Assignee: Shivani Ghatge
> Priority: Minor
>
> This method will compute the difference between two graphs, returning a new
> graph containing the vertices and edges that the current graph and the input
> graph don't have in common.
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