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From: vasia <git@git.apache.org>
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Subject: [GitHub] flink pull request #2984: [FLINK-5311] Add user documentation for bipartite ...
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Message-Id: <20161212092804.5B2F8E38C2@git1-us-west.apache.org>
Date: Mon, 12 Dec 2016 09:28:04 +0000 (UTC)
archived-at: Mon, 12 Dec 2016 09:29:26 -0000

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

    https://github.com/apache/flink/pull/2984#discussion_r91907924
  
    --- 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
    +"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    +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
    +{: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.
    --- End diff --
    
     a node between a top and a bottom nodes => an edge?


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