Descriptive Metadata

Section: Identifier

Name

identifier

Schema

MODS

Definition

This section provides a unique standard number or code that distinctively identifies a resource. It includes manifestation, expression and work level identifiers.

Identifier has the following components:

• A value (the unique number or code)
• Attributes:
  • type
  • displayLabel
  • invalid

Repeatable

Y

Label

Identifier - Value

Definition

The unique number or code

Example(s)

2001336783 [lccn]; http://hdl.rutgers.edu/1782.3/NPLRNG.Photograph.2835 [handle]

Name

identifierType

Label

Identifier - Type

Controlled Vocabulary

local; doi; hdl; ISBN (International Standard Book Number), ISSN (International Standard Serials Number; ismn; isrc; isan; iswc; lccn; micUCRecordID; music plate; music publisher; sici; umid; upc; uri; videorecording identifier.

Name

identifierDisplayLabel

Label

Identifier - Display Label

Definition

This attribute is intended to be used when additional text associated with the identifier is necessary for display.

Name

identifierInvalid

Label

Identifier - Invalid

Definition

This attribute signifies a canceled or invalid identifier. The invalid attribute should be used with the following value: yes - This value is used only when recording a canceled or invalid identifier. If invalid="yes" is not present, the identifier is assumed to be valid. Do not use invalid="no."