Technical Overview: GML

GML (Geography Markup Language) is based on XML and was developed by the Open Geospatial Consortium (OGC) to express geographic features.

Technical Overview: KML

Technical Overview: KML
KML (Keyhole Markup Language) was developed by Keyhole, Inc for adding geographic annotation, models, and simple animation to their Keyhole Earth Viewer. Keyhole was taken over by Google in 2004, and the Earth Viewer is now known as Google Earth. Google have also adopted it for use on their Google Maps platform, and it is ...