e.html"><a href="everywhere.html#study-importance"><i class="fa fa-check"></i><b>1.3.4</b> The study of importance, influence and attachment</a></li>
<li class="chapter" data-level="1.3.5" data-path="everywhere.html"><a href="everywhere.html#graphs-as-data-sources"><i class="fa fa-check"></i><b>1.3.5</b> Graphs as data sources</a></li>
</ul></li>
<li class="chapter" data-level="1.4" data-path="everywhere.html"><a href="everywhere.html#purpose-structure-and-organization-of-this-book"><i class="fa fa-check"><