="Navigation menu">
              <ul>
<li class="toctree-l1"><a class="reference internal" href="transactionalPatternMining.html">Transactional Database</a></li>
</ul>
<ul class="current">
<li class="toctree-l1 current"><a class="reference internal" href="temporalPatternMining.html">Temporal Database</a><ul class="current">
<li class="toctree-l2 current"><a class="current reference internal" href="#">Periodic Frequent Pattern Mining</a><ul>
<li class="toctree-l3"><a class="reference internal" href="periodi