Thing
>
Annotation
>
Region
>
TimePoint
Metadata
Metadata from Region
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Property
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Type
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Description
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unit
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String
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The unit used to determine boundaries. For text regions this is typically *offsets* to indicate character offsets, for images this is could be *pixels*, and for audio or video streams *seconds*, *milliseconds*, *timestamps* or *frames*.
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Metadata from Annotation
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Property
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Type
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Description
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document
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ID
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The identifier of the document that the annotation is over. This has to be defined either at the metadata level, in which case it has scope over all annotations of the same type in a view, or at the instance level, in which it has scope over just the single annotation.
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Properties
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Property
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Type
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Description
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point
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Integer
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The starting offset in the stream.
[Required]
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Properties from Annotation
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Property
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Type
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Description
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document
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ID
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The identifier of the document that the annotation is over.
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Properties from Thing
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Property
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Type
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Description
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id
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ID
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A unique identifier for the annotation or document. Uniqueness is relative to the view the annotation is in or the list of documents at the top level of a MMIF file.
[Required]
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