bs/graph/doc/EdgeListGraph.html">Edge List
Graph</a> concepts, because one cannot enumerate all vertices or edges
within a distributed graph. Instead, it models the weaker
<a class="reference external" href="DistributedVertexListGraph.html">Distributed Vertex List Graph</a> and <a class="reference external" href="DistributedEdgeListGraph.html">Distributed Edge List Graph</a>
concepts, which permit access to the local edges and vertices on each
processor. Note that if all processes within the process group o