The messy data sources behind “Mapping diversity”

by Giorgio Comai, OBC Transeuropa

A screenshot of the first interface we developed

Main data sources and data processing features

“While admin_level=2 is almost always a de-facto independent country, and admin_level=4 is usually equivalent to a”province”, higher values vary in meaning between countries. A data consumer looking for municipalities corresponding to “city”, “town” or “village” boundaries will find these tagged anywhere from admin_level=4 to admin_level=10”.

Matching streets to the entity it is named after

Our approach for matching geo-located street names to the person or entity they are dedicated to

Manual checks on data

The data model

The data

What we have built in the process

What next?



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