<xs:attribute name="OrganizationIdentifierScheme">
  <xs:annotation>
    <xs:appinfo>
      <identifier>http://purl.org/spar/datacite/OrganizationIdentifierScheme</identifier>
      <subclassOf>http://purl.org/spar/datacite/AgentIdentifierScheme</subclassOf>
    </xs:appinfo>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:anyURI">
      <xs:enumeration value="http://purl.org/spar/datacite/doi">
        <xs:annotation>
          <xs:documentation xml:lang="en">Digital Object Identifier</xs:documentation>
          <xs:appinfo>
            <identifier>http://purl.org/spar/datacite/doi</identifier>
            <label xml:lang="en">DOI</label>
          </xs:appinfo>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="http://w3id.org/meta-share/meta-share/elg">
        <xs:annotation>
          <xs:documentation xml:lang="en">European Language Grid</xs:documentation>
          <xs:appinfo>
            <identifier>http://w3id.org/meta-share/meta-share/elg</identifier>
            <label xml:lang="en">ELG</label>
          </xs:appinfo>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="http://w3id.org/meta-share/meta-share/grid">
        <xs:annotation>
          <xs:documentation xml:lang="en">Value for organizationIdentifierSchemeName, referring to the GRID (Global Research Identifier Database, https://www.grid.ac/)</xs:documentation>
          <xs:appinfo>
            <identifier>http://w3id.org/meta-share/meta-share/grid</identifier>
            <label xml:lang="en">GRID</label>
          </xs:appinfo>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="http://w3id.org/meta-share/meta-share/other">
        <xs:annotation>
          <xs:appinfo>
            <identifier>http://w3id.org/meta-share/meta-share/other</identifier>
            <label xml:lang="en">other</label>
          </xs:appinfo>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>