Cartography

Spatial Data Quality: OpenStreetMap

Muki Haklay discusses data quality and OpenStreetMap on his blog. He explains Linus Law and how these techniques can apply to projects like OpenStreetMap.

From the blog - "For mapping, I suggest that this can be translated into the number of contributors that worked on a given area. The rationale behind it is that if there is only one contributor in an area he or she might inadvertently introduce some errors. For example, they might forget to survey a street or might position a feature in the wrong location. If there are several contributors, they might notice inaccuracies or ‘bugs’ and therefore the more users, the less ‘bugs’."

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