Type:Annotation URI
From www.oscarvandillen.com
The datatype Annotation URI is a variant of Type:URI. It is used in cases where a URI attribute needs to be exported as an owl:AnnotationProperty which is the case almost exclusively for imported attributes.
Intuitively, AnnotationProperties play a role that is similar to a comment or meta-property – something that does not have a direct meaning to the topic, but that may provide additional technical information. The type Annotation URI should thus be used very rarely. A typical example for its use is Property:see also which specifies the URI of an additional source of information on the subject.
For more information see www.w3.org.
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This type is among the standard datatypes of this wiki.