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Martijn van Exel

13 Slideshow
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MapRoulette Cooperative Challenges
byMartijn van Exel
 
The Golden Age of GIS - Keynote for GIS day 2019
byMartijn van Exel
 
OpenStreetMap
byMartijn van Exel
 
Insert Coin To Play
byMartijn van Exel
 
Dealing with historical data in OpenStreetMap
byMartijn van Exel
 
110527 osmadd-wherecampeu
byMartijn van Exel
 
Crowdsourcing
byMartijn van Exel
 
Quality assessment for crowdsourced geographic information
byMartijn van Exel
 
OpenStreetMap and the Art of Motorcycle Maintenance
byMartijn van Exel
 
Zen of Map Quality
byMartijn van Exel
 
Open Places Platform
byMartijn van Exel
 
OpenStreetMap voor IMG100k
byMartijn van Exel
 
OpenStreetMap Netherlands Since AND import
byMartijn van Exel