About: http://webisa.webdatacommons.org/43895350

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Terrain, for example, will use a heightmap of some sort with an LOD method of your choice (I recommend GeoClipmaps), which makes its rendering pipeline almost entirely different from how simple things such as doors and walls are drawn.
http://www.w3.org/ns/prov#wasQuotedFrom	gamedev.net