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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5311) Write user documentation for BipartiteGraph
Date Mon, 12 Dec 2016 09:28:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15741443#comment-15741443

ASF GitHub Bot commented on FLINK-5311:

Github user vasia commented on a diff in the pull request:

    --- Diff: docs/dev/libs/gelly/bipartite_graph.md ---
    @@ -0,0 +1,148 @@
    +title: Graph Generators
    +nav-parent_id: graphs
    +nav-pos: 6
    +Licensed to the Apache Software Foundation (ASF) under one
    +or more contributor license agreements.  See the NOTICE file
    +distributed with this work for additional information
    +regarding copyright ownership.  The ASF licenses this file
    +to you under the Apache License, Version 2.0 (the
    +"License"); you may not use this file except in compliance
    +with the License.  You may obtain a copy of the License at
    +  http://www.apache.org/licenses/LICENSE-2.0
    +Unless required by applicable law or agreed to in writing,
    +software distributed under the License is distributed on an
    +KIND, either express or implied.  See the License for the
    +specific language governing permissions and limitations
    +under the License.
    +* This will be replaced by the TOC
    +Bipartite Graph
    +A bipartite graph (also called a two-mode graph) is a type of graph where vertices are
separated into two disjoint sets. These sets are usually called top and bottom vertices. A
single edge in this graph can only connect vertices from opposite sets (i.e. bottom vertex
to top vertex) and cannot connect to vertices in the same set.
    +Theses graphs have wide application in practice and can be a more natural choice for
particular domains. For example to represent authorship of scientific papers top vertices
can represent scientific papers while bottom nodes will represent authors. Naturally a node
between a top and a bottom nodes would represent an authorship of a particular scientific
paper. Another common example for applications of bipartite graphs is a relationships between
actors and movies. In this case an edge represents that a particular actor played in a movie.
    +Bipartite graph are used instead of regular graphs (one-mode) for the following practical
    + * They preserve more information about a connection between vertices. For example instead
of a single link between two researchers in a graph that represents that they authored a paper
together a bipartite graph preserve the information about what papers they authored
    + * Bipartite graph can encode the same information more compactly than one-mode graphs
    +Graph Representation
    +A `BipartiteGraph` is represented by:
    + * `DataSet` of top nodes
    --- End diff --
    *a DataSet...

> Write user documentation for BipartiteGraph
> -------------------------------------------
>                 Key: FLINK-5311
>                 URL: https://issues.apache.org/jira/browse/FLINK-5311
>             Project: Flink
>          Issue Type: Bug
>          Components: Gelly
>            Reporter: Ivan Mushketyk
>            Assignee: Ivan Mushketyk
> We need to add user documentation. The progress on BipartiteGraph can be tracked in the
following JIRA:
> https://issues.apache.org/jira/browse/FLINK-2254

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