datacite/cirneco

<?xml version="1.0" encoding="UTF-8"?>
<!--
  2011-01-13 v1.0 - FZ, TIB, Germany
  2013-05 v3.0: Addition of ID to simpleType element, addition of values "IsIdenticalTo", "HasMetadata" & "IsMetadataFor"
  2014-08-20 v3.1: Addition of values "Reviews" & "IsReviewedBy" and "IsDerivedFrom" & "IsSourceOf"
  2017-10-23 v.4.1: Addition of values "Describes", "IsDescribedBy", "HasVersion", "IsVersionOf", "Requires", "IsRequiredBy" -->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://datacite.org/schema/kernel-4" targetNamespace="http://datacite.org/schema/kernel-4" elementFormDefault="qualified">
  <xs:simpleType name="relationType" id="relationType">
    <xs:annotation>
      <xs:documentation>Description of the relationship of the resource being registered (A) and the related resource (B).</xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
      <xs:enumeration value="IsCitedBy"/>
      <xs:enumeration value="Cites"/>
      <xs:enumeration value="IsSupplementTo"/>
      <xs:enumeration value="IsSupplementedBy"/>
      <xs:enumeration value="IsContinuedBy"/>
      <xs:enumeration value="Continues"/>
      <xs:enumeration value="IsNewVersionOf"/>
      <xs:enumeration value="IsPreviousVersionOf"/>
      <xs:enumeration value="IsPartOf"/>
      <xs:enumeration value="HasPart"/>
      <xs:enumeration value="IsReferencedBy"/>
      <xs:enumeration value="References"/>
      <xs:enumeration value="IsDocumentedBy"/>
      <xs:enumeration value="Documents"/>
      <xs:enumeration value="IsCompiledBy"/>
      <xs:enumeration value="Compiles"/>
      <xs:enumeration value="IsVariantFormOf"/>
      <xs:enumeration value="IsOriginalFormOf"/>
      <xs:enumeration value="IsIdenticalTo"/>
      <xs:enumeration value="HasMetadata"/>
      <xs:enumeration value="IsMetadataFor"/>
      <xs:enumeration value="Reviews"/>
      <xs:enumeration value="IsReviewedBy"/>
      <xs:enumeration value="IsDerivedFrom"/>
      <xs:enumeration value="IsSourceOf"/>
      <xs:enumeration value="Describes"/>
      <xs:enumeration value="IsDescribedBy"/>
      <xs:enumeration value="HasVersion"/>
      <xs:enumeration value="IsVersionOf"/>
      <xs:enumeration value="Requires"/>
      <xs:enumeration value="IsRequiredBy"/>
    </xs:restriction>
  </xs:simpleType>
</xs:schema>