Network visualizations provide "a useful way to visually represent the relationships in real or theoretical social, physical or biological systems." (Zoss 2018) These relationships can be anything from social media connections, co-author partnerships, and Internet hyperlinks; to the electrical power grid or predator-prey relationships within food webs. Network visualizations reveal the connections (referred to as relationships, edges, links or lines) between things (referred to as entities, vertices, nodes or points). Each of the relationships or entities may have specific attributes that characterize the type of relationship or entity.
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