<p>Network Model<br></p>
A special case of the hierarchical data model in which each record type can have multiple owners (e.g., purchase orders are owned by both customers and products).
<ul><li>U.S. Department of Transportation</li>
<li>vectorization: <span class="int-own-work" lang="en">Own work</span></li></ul>
<a rel="nofollow" class="external text" href="http://knowledge.fhwa.dot.gov/tam/aashto.nsf/All+Documents/4825476B2B5C687285256B1F00544258/%24FILE/DIGloss.pdf">Data Integration Glossary</a>.