Network data in geography refers to datasets that represent roads, rivers or other linear features along with their interconnectedness.
Consider network data like the game 'connect-the-dots'. Each dot (or node) represents a location, and the lines connecting them represent the paths (like roads or rivers) between these locations.
Nodes: In geographical terms, nodes are points in a network where lines intersect or branch.
Edges: These are the lines that connect nodes in a network. They represent features like roads or rivers.
Topology: This is an aspect of spatial data modeling where the focus is on adjacency, connectivity and continuity of spatial features.
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