Social Network Graph (GraphML)

<?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">
  <key id="d_name" for="node" attr.name="name" attr.type="string"/>
  <key id="d_age" for="node" attr.name="age" attr.type="int"/>
  <key id="d_comm" for="node" attr.name="community" attr.type="string"/>
  <key id="d_weight" for="edge" attr.name="weight" attr.type="double"/>
  <graph id="social" edgedefault="undirected">
    <node id="n0">
      <data key="d_name">Ada</data>
      <data key="d_age">29</data>
      <data key="d_comm">A</data>
    </node>
    <node id="n1">
      <data key="d_name">Ben</data>
      <data key="d_age">34</data>
      <data key="d_comm">A</data>
    </node>
    <node id="n2">
      <data key="d_name">Chen</data>
      <data key="d_age">41</data>
      <data key="d_comm">A</data>
    </node>
    <node id="n3">
      <data key="d_name">Dara</data>
      <data key="d_age">26</data>
      <data key="d_comm">A</data>
    </node>
    <node id="n4">
      <data key="d_name">Ede</data>
      <data key="d_age">38</data>
      <data key="d_comm">A</data>
    </node>
    <node id="n5">
      <data key="d_name">Faye</data>
      <data key="d_age">31</data>
      <data key="d_comm">B</data>
    </node>
    <node id="n6">
      <data key="d_name">Gus</data>
      <data key="d_age">45</data>
      <data key="d_comm">B</data>
    </node>
    <node id="n7">
      <data key="d_name">Hana</data>
      <data key="d_age">27</data>
      <data key="d_comm">B</data>
    </node>
    <node id="n8">