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ded:CategoryDescription: An unambiguous
reference to a resource within a given context.
ded:CategorySource: DCMI: identifier, v.
004
ded:CategoryComment: This category consists of
one element. And identifier may be an internal, external, and/or universal
identification label for representing a resource by means of a string or number
conforming to a formal identification system. An example of an identifier would
be an International Standard Serial Number (ISSN), or a Uniform Resource
Location (URL). Any type of identifier can be accommodated, so long as the
identifier qualifier is specified with the identifier value. The inclusion of
one identifier element is mandatory; there is no upper bound on the number of
identifier elements.
ded:Definition: An unambiguous reference to a resource within a given context.
{An attribute stores the source of the tag's value} {sources: DCMI: identifier,
v. 004; IC MSP v. 1.0a: IdentifierList} An identifier may be an internal,
external, and/or universal identification label for representing a resource by
means of a string or number conforming to a formal identification system. An
example of an identifier would be an International Standard Serial Number
(ISSN), or a Uniform Resource Locator (URL). Any type of identifier can be
accommodated, so long as the identifier qualifier is specified with the
identifier value. See also, IRM Spec Category: Identifier. An element that
contains a location reference to the resource being described.
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ded:Obligation: (Mandatory) in
ICResourceMetadataPackage and metacardInfo
ded:Comment: There must be at least one identifier under metacardInfo, and
there can be an unbounded number. In this context the identifier element
contains an identifier for the metadata card, such as a URL and any value to
uniquely identify the metadata card. The identifier provides the needed
information to uniquely identify the information resource being described. It
generally provides information to retrieve the information resource. The
inclusion of one identifier element is mandatory; there is no upper bound on the
number of identifier elements.