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Network analysis consists of a set of techniques for modeling processes that occur on networks. A network is any connected set of vertices (e.g., road intersections) and edges (e.g., road segments between intersections) and can represent a transportation or communications system, a utility service mechanism, or a computer system, to name only a few network applications. Although network analysis is a broad and growing discipline within geographic information science (GISci), this entry addresses the topic by identifying and outlining three major components of network analysis: finding locations on networks, routing across networks, and network flow analysis.

Location on Networks

Both the process of locating network elements themselves and the process of locating facilities on existing networks can be structured as optimization problems, which are problems that ...

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