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Notes: Audubon Core: Name of a world region in some high level classification, such as names for continents, waterbodies, or island groups, whichever is most appropriate. The terms preferably are derived from a controlled vocabulary.
The equivalent Darwin Core fields here forces primary metadata providers to classify world region terms into separate properties for “continent” “waterbody”, “IslandGroup”. By contrast, the Iptc4xmpExt vocabulary only specifies that a World Region is something at the top of a hierarchy of locations.
Note: URIs of IPTC terms for Adobe XMP terms are not resolvable. Visit IPTC Standard Photo Metadata (July 2010) for further documentation.
Constraints in the context of IPTC Photo Metadata:
- cardinality 0..1 (=optional single occurrence)