instance.xsd

 DDI
  <xs:schema targetNamespace="ddi:instance:3_0" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">  <xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="xml.xsd"/>  <xs:import namespace="ddi:archive:3_0" schemaLocation="archive.xsd"/>  <xs:import namespace="ddi:comparative:3_0" schemaLocation="comparative.xsd"/>  <xs:import namespace="ddi:conceptualcomponent:3_0" schemaLocation="conceptualcomponent.xsd"/>  <xs:import namespace="ddi:datacollection:3_0" schemaLocation="datacollection.xsd"/>  <xs:import namespace="ddi:dataset:3_0" schemaLocation="dataset.xsd"/>  <xs:import namespace="ddi:dcelements:3_0" schemaLocation="dcelements.xsd"/>  <xs:import namespace="ddi:ddiprofile:3_0" schemaLocation="ddiprofile.xsd"/>  <xs:import namespace="ddi:group:3_0" schemaLocation="group.xsd"/>  <xs:import namespace="ddi:logicalproduct:3_0" schemaLocation="logicalproduct.xsd"/>  <xs:import namespace="ddi:physicaldataproduct:3_0" schemaLocation="physicaldataproduct.xsd"/>  <xs:import namespace="ddi:physicaldataproduct_ncube_inline:3_0" schemaLocation="physicaldataproduct_ncube_inline.xsd"/>  <xs:import namespace="ddi:physicaldataproduct_ncube_normal:3_0" schemaLocation="physicaldataproduct_ncube_normal.xsd"/>  <xs:import namespace="ddi:physicaldataproduct_ncube_tabular:3_0" schemaLocation="physicaldataproduct_ncube_tabular.xsd"/>  <xs:import namespace="ddi:physicalinstance:3_0" schemaLocation="physicalinstance.xsd"/>  <xs:import namespace="ddi:reusable:3_0" schemaLocation="reusable.xsd"/>  <xs:import namespace="ddi:studyunit:3_0" schemaLocation="studyunit.xsd"/>  <xs:element name="DDIInstance" type="DDIInstanceType"/>  <xs:complexType name="DDIInstanceType">  <xs:complexContent>  <xs:extension base="r:MaintainableType">  <xs:sequence>  <xs:element ref="r:Citation" minOccurs="0">  </xs:element>  <xs:element ref="r:Coverage" minOccurs="0">  </xs:element>  <xs:element ref="g:Group" minOccurs="0" maxOccurs="unbounded">  </xs:element>  <xs:element ref="g:ResourcePackage" minOccurs="0" maxOccurs="unbounded">  </xs:element>  <xs:element ref="s:StudyUnit" minOccurs="0" maxOccurs="unbounded">  </xs:element>  <xs:element ref="r:OtherMaterial" minOccurs="0" maxOccurs="unbounded">  </xs:element>  <xs:element ref="r:Note" minOccurs="0" maxOccurs="unbounded">  </xs:element>  <xs:element ref="TranslationInformation" minOccurs="0">  </xs:element>  </xs:sequence>  </xs:extension>  </xs:complexContent>  </xs:complexType>  <xs:complexType name="TranslationType">  <xs:sequence>  <xs:element name="Language" type="xs:string" maxOccurs="unbounded">  </xs:element>  <xs:element name="I18n-text" type="xs:string">  </xs:element>  <xs:element name="I18n-catalog" type="xs:string" minOccurs="0">  </xs:element>  <xs:element ref="r:Description" minOccurs="0">  </xs:element>  </xs:sequence>  <xs:attribute ref="xml:lang">  </xs:attribute>  </xs:complexType>  <xs:element name="TranslationInformation" type="TranslationType">  </xs:element>  </xs:schema>