A type of open access where a version of a publication is freely available via an institutional or subject repository, or other web-accessible digital archive, that is compliant with the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH).

ByCASRAI Editorial Board

· Last updated 19 May 2026

Editorial commentary

A type of open access where a version of a publication is freely available to read or download via an institutional or subject repository, or other web-accessible digital archive, that is compliant with the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). The version is often the author accepted manuscript. This as opposed to the version of record available on a publishers website.

Also known as

Secondary open access · self-archiving

Machine-readable encodings

Use in your systems

JATS XML <role> element

xml

<role vocab="credit"
      vocab-identifier="https://casrai.org/dictionary/"
      vocab-term="Green open access"
      vocab-term-identifier="https://casrai.org/dictionary/term/green-open-access" />

Schema.org DefinedTerm (JSON-LD)

json

{
  "@context": "https://schema.org",
  "@type": "DefinedTerm",
  "@id": "https://casrai.org/dictionary/term/green-open-access",
  "name": "Green open access",
  "identifier": "https://casrai.org/dictionary/term/green-open-access",
  "description": "A type of open access where a version of a publication is freely available via an institutional or subject repository, or other web-accessible digital archive, that is compliant with the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH).",
  "inDefinedTermSet": "https://casrai.org/dictionary/domain/knowledge-equity#set",
  "url": "https://casrai.org/dictionary/term/green-open-access",
  "sameAs": [
    "Secondary open access",
    "self-archiving"
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "publisher": {
    "@id": "https://casrai.org/#organization"
  },
  "dateModified": "2026-05-19T19:11:55",
  "inLanguage": "en"
}

Referenced across the research world

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