Network Optimization

Network optimization is a methodology to optmize flows or paths in a network given cost constraints. It is one of the most widely applicable spatial decision models (Thomas and Huggett 1980; Ghosh and Rushton 1986). A network consists of nodes (supply, demand, and transshipment points for resources) and arcs (paths over which resources flow between nodes) (Killer 1983; Malczewski and Ogryczak 1995).

Graphical Ontology Browser

  • Click on a node to jump to the content of that node
  • Pan to see the rest of the graph
  • Scroll the mousewheel up and down to zoom in and out
  • Rearrange the nodes in the graph by dragging a node to a different position


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