OpenStreetMap

Proposals versus usage

As of 2013-06-05:

http://wiki.openstreetmap.org/wiki/Proposed_features/Incline 
Status: Rejected (inactive)

But 85000 objects use the Key:

http://taginfo.openstreetmap.org/keys/incline

Search

• http://ftp5.gwdg.de/pub/misc/openstreetmap/FOSSGIS2013/FOSSGIS13-623-de-nominatim.mp4 - ~6:30 ranking is influenced by Wikipedia data.