Creator "igraph version 0.5.2 " Version 1 graph [ directed 0 name "Petersen's graph" vertices 10 edges 15 node [ id 1 name "foo" ] node [ id 2 name "foobar" ] node [ id 3 name "" ] node [ id 4 name "" ] node [ id 5 name "" ] node [ id 6 name "" ] node [ id 7 name "" ] node [ id 8 name "" ] node [ id 9 name "" ] node [ id 10 name "" ] edge [ source 2 target 1 id 1 name "FOO" ] edge [ source 5 target 1 id 2 name "FOOBAR" ] edge [ source 6 target 1 id 3 name "" ] edge [ source 3 target 2 id 4 name "" ] edge [ source 7 target 2 id 5 name "" ] edge [ source 4 target 3 id 6 name "" ] edge [ source 8 target 3 id 7 name "" ] edge [ source 5 target 4 id 8 name "" ] edge [ source 9 target 4 id 9 name "" ] edge [ source 10 target 5 id 10 name "" ] edge [ source 8 target 6 id 11 name "" ] edge [ source 9 target 6 id 12 name "" ] edge [ source 9 target 7 id 13 name "" ] edge [ source 10 target 7 id 14 name "" ] edge [ source 10 target 8 id 15 name "" ] ] <?xml version="1.0" encoding="UTF-8"?> <graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd"> <!-- Created by igraph --> <key id="name" for="graph" attr.name="name" attr.type="string"/> <key id="vertices" for="graph" attr.name="vertices" attr.type="double"/> <key id="edges" for="graph" attr.name="edges" attr.type="double"/> <key id="id" for="node" attr.name="id" attr.type="double"/> <key id="name" for="node" attr.name="name" attr.type="string"/> <key id="id" for="edge" attr.name="id" attr.type="double"/> <key id="name" for="edge" attr.name="name" attr.type="string"/> <graph id="G" edgedefault="undirected"> <data key="name">Petersen's graph</data> <data key="vertices">10</data> <data key="edges">15</data> <node id="n0"> <data key="id">1</data> <data key="name">foo</data> </node> <node id="n1"> <data key="id">2</data> <data key="name">foobar</data> </node> <node id="n2"> <data key="id">3</data> <data key="name"></data> </node> <node id="n3"> <data key="id">4</data> <data key="name"></data> </node> <node id="n4"> <data key="id">5</data> <data key="name"></data> </node> <node id="n5"> <data key="id">6</data> <data key="name"></data> </node> <node id="n6"> <data key="id">7</data> <data key="name"></data> </node> <node id="n7"> <data key="id">8</data> <data key="name"></data> </node> <node id="n8"> <data key="id">9</data> <data key="name"></data> </node> <node id="n9"> <data key="id">10</data> <data key="name"></data> </node> <edge source="n0" target="n1"> <data key="id">1</data> <data key="name">FOO</data> </edge> <edge source="n0" target="n4"> <data key="id">2</data> <data key="name">FOOBAR</data> </edge> <edge source="n0" target="n5"> <data key="id">3</data> <data key="name"></data> </edge> <edge source="n1" target="n2"> <data key="id">4</data> <data key="name"></data> </edge> <edge source="n1" target="n6"> <data key="id">5</data> <data key="name"></data> </edge> <edge source="n2" target="n3"> <data key="id">6</data> <data key="name"></data> </edge> <edge source="n2" target="n7"> <data key="id">7</data> <data key="name"></data> </edge> <edge source="n3" target="n4"> <data key="id">8</data> <data key="name"></data> </edge> <edge source="n3" target="n8"> <data key="id">9</data> <data key="name"></data> </edge> <edge source="n4" target="n9"> <data key="id">10</data> <data key="name"></data> </edge> <edge source="n5" target="n7"> <data key="id">11</data> <data key="name"></data> </edge> <edge source="n5" target="n8"> <data key="id">12</data> <data key="name"></data> </edge> <edge source="n6" target="n8"> <data key="id">13</data> <data key="name"></data> </edge> <edge source="n6" target="n9"> <data key="id">14</data> <data key="name"></data> </edge> <edge source="n7" target="n9"> <data key="id">15</data> <data key="name"></data> </edge> </graph> </graphml>