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Geocomputation is the art of using supercomputers as powerful tools for geographic science and policy. Geocomputation projects often involve modeling and simulation via cellular automata, where contextspecific rules for each raster cell change the cell's state from one value to another based on surrounding cell values; via spatial agent-based models, where populations of heterogeneous agents move, interact, and sometimes also evolve on spatial landscapes of networks or natural terrain; and occasionally via hybrids of each with one another or with spatially explicit systems of mathematical equations. Computational laboratories provide tools to support thorough exploration of the behavior of such simulation models. Other geocomputation projects typically design, develop, and refine computational tools for search, optimization, classification, and visualization. Such tools serve as powerful relevance filters, which ...

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