Spatiotemporal

Identifier	Title / Description	Value Domain	Card	Condition	Metadata classes	Guidelines	Example
RSEXT [DMF/Core]	Resource Extent This is either a positional extent, or a temporal extent or a vertical extent.	Extent	0..*	Except for non-geographic data and loose services, one extent of type bounding box in geographic coordinates or geographic identifier is mandatory.	DMF/Core defines the minimum set of metadata elements to be implemented by any metadata catalogue. This set satisfies the discovery use case.		8.07 15.2 57.75 54.56 (bounding box) or Denmark
RSRSYS [DMF/Core]	Resource Reference System This is a spatial or temporal reference system used in the resource.	Identifier	0..*		DMF/Core defines the minimum set of metadata elements to be implemented by any metadata catalogue. This set satisfies the discovery use case.	The code property of the identifier should be a URI	http://www.opengis.net/def/crs/epsg/4386