Navigating a Graph
Navigating or traversing a graph means visiting each of the graph nodes. The pur-
pose of navigating a graph can include determining node content or updating it as
needed. When navigating a graph, it’s entirely possible that you visit particular
nodes more than once because of the connectivity that graphs provide. Conse-
quently, you also need to consider marking nodes as visited after you see their
content. The act of navigating a graph is important in determining how the nodes
connect so that you can perform various tasks. Previous chapters discuss basic
graph navigation techniques. The following sections help you understand a few of
the more advanced graph navigation techniques.
FIGURE 10-2:
Communities
often contain
cliques that can
prove useful
for SNA.
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PART 3
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