Identifier (M)

A unique string that identifies the resource, ideally persistent (occurrences: 1-n). To supply alternate identifiers, repeat this property. Use attributes for defining the identifier type, e.g. “DOI”, ‘Handle’, ‘URL’ or other types.

Allowed values, examples, other constraints

For allowed type values, see controlled list of limited identifier types.

Example

1<identifiers>
2   <identifier identifierType="DOI">10.1594/WDCC/CCSRNIES_SRES_B2</identifier>
3   <identifier identifierType="ARK">2013A&amp;A...558A.149B</identifier>
4   <identifier identifierType="URL">https://b2share.eudat.eu/records/bb8964ff899c4711a0e8875b87ab2800</identifier>
5</identifiers>