An edge is a link between two people or entities in a network that can be
directed or undirected. A directed edge has a clear origin and destination: lender > borrower, tweeter > follower. An undirected edge connects two people or entities with a mutual relationship: Facebook friends, teams in a sports league.
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B. Griffin, University of South Dakota
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J. Johnston, Colorado State University
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H. Chavarria, Kinetic Corp
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