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NACIS 2016 Presentation
Martin Gamache, Art of the Mappable
Nathaniel Vaughn Kelso, Mapzen
Who's on First is an open source gazeteer. Administrative level 2 and localities boundaries for countries outside North America and Europe where largely missing from this gazeteer. We have been collaborating on a project to populate or create these from open sources when available or secondary sources when necessary for most of the world. We have built polygons from point sources, scoured the internet for national mapping agency data, and compiled boundaries for dozens of countries around the world, helping create a true open source dataset that can be used for any purpose.