The DCTypes vocabulary provides extensions to the Dublin Core encoding schemes to support the Zelestra Core Framework. They are as follows:
Specifies that a creator element contains an agent identifier referencing an AgentDefinition.
Specifies that a subject element contains a browse subject key.
Specifies that a description element contains localized caption text formatted as TextMarkupType.
Specifies that a type element contains a catagory as defined in the Zelestra Core Framework DefinitionElementType.
Specifies that a subject element contains an Eisenhower National Clearinghouse digital library classification.
Specifies that a description element contains a reference to a representational image of the resource. Images must be formatted as JPG, PNG, or GIF.
Specifies that an alternative title element contains a natural sort key.
Specifies that an identifier element contains an Open Archives Initiative identifier.
Specifies that an isPartOf element contains an Open Archives Initiative set specifier.
Specifies that an extent element contains a running time. Format is minutes min seconds sec. Example: 0 min 23 sec.
Specifies that an extent element contains a width, height, and optional unit. Format is width x height [unit]. Usually unit is included, with the most common unit being "pixels". Example: 100 x 200 pixels.
The namespace and resource reference for the DCTypes vocabulary is http://zlst.org/dctypes#. The conventional namespace prefix is dctypes.