http://purl.org/dc/terms/identifier

used by 36:

• agris
• a-z-of-terms-dfe
• bioimages
• ctic-public-dataset
• eea-rod
• enel-open-data-dcat
• english-heritage-building-materials-thesaurus
• english-heritage-components-thesaurus
• english-heritage-event-types-thesaurus
• english-heritage-evidence-thesaurus
• english-heritage-maritime-craft-thesaurus
• english-heritage-monument-types-thesaurus
• esd-toolkit
• event-media
• fish-archaeological-objects-thesaurus
• hebis-bibliographic-resources
• legislation-openuplabs
• linked-open-ipa
• lodac-bdls
• my-experiment
• ntnusc
• open-library
• public-record-office-victoria-semantic-wiki
• radatana
• rcahms-archaeological-objects-thesaurus
• rcahms-maritime-craft-thesaurus
• rcahms-monument-types-thesaurus
• rcahmw-monument-types-thesaurus
• rcahmw-periods-list
• rism
• rism-authorities
• taxonconcept-assets
• taxonconcept-occurences
• totl-xkcd
• uk-legislation-api
• uniprot-metadata