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<div class="header">
  <div class="headertitle">
<div class="title">Aggregation method </div>  </div>
</div><!--header-->
<div class="contents">
<div class="textblock"><ul>
<li>CGS (done)</li>
<li>CGA (done)</li>
<li>CGPSA</li>
</ul>
<h1>CGS</h1>
<ul>
<li>subdomain_create_without_aggregation</li>
</ul>
<h1>CGA</h1>
<ul>
<li>subdomain_create_with_CGA</li>
</ul>
<h1>CGPSA</h1>