<xs:element name="source" type="CompoundSourceIdentifierType">
<xs:annotation>
<xs:appinfo>
<mdr:definition>References to assets or resources from which the tagged data asset is derived. {Source: DCMI: type, v. 004} Sources may be derived partially or wholly, and it is recommended that an identifier (such as a string or number from a formal identification system) be used as a reference. See also, DDMS Version 3.0 Source.</mdr:definition>
</xs:appinfo>
</xs:annotation>
</xs:element> |