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Annotations
Attributes
Diagrams
Instances
Model
Properties
Source
Used by
Included schema maintenance.xsd
Namespace http://www.isotc211.org/2005/gmd
Annotations
Geographic MetaData (GMD) extensible markup language is a component of the XML Schema Implementation of Geographic Information Metadata documented in ISO/TS 19139:2007. GMD includes all the definitions of http://www.isotc211.org/2005/gmd namespace. The root document of this namespace is the file gmd.xsd. This maintenance.xsd schema implements the UML conceptual schema defined in A.2.5 of ISO 19115:2003. It contains the implementation of the following classes: MD_MaintenanceInformation, MD_MaintenanceFrequencyCode, MD_ScopeCode, MD_ScopeDescription.
Properties
attribute form default unqualified
element form default qualified
version 2012-07-13
Element gmd:MD_ScopeCode
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#CodeListValue_Type_codeListgcoBase_xsd.tmp#CodeListValue_Type_codeListValuegcoBase_xsd.tmp#CodeListValue_Type_codeSpacegcoBase_xsd.tmp#CodeListValue_TypebasicTypes_xsd_1.tmp#CharacterString
Type gco:CodeListValue_Type
Properties
content complex
Substitution Group Affiliation
Used by
Attributes
QName Type Use
codeList xs:anyURI required
codeListValue xs:anyURI required
codeSpace xs:anyURI optional
Source
<xs:element name="MD_ScopeCode" type="gco:CodeListValue_Type" substitutionGroup="gco:CharacterString"/>
Element gmd:MD_MaintenanceInformation
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectIdentificationgcoBase_xsd.tmp#AbstractObject_Typemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_maintenanceAndUpdateFrequencymaintenance_xsd.tmp#MD_MaintenanceInformation_Type_dateOfNextUpdatemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_userDefinedMaintenanceFrequencymaintenance_xsd.tmp#MD_MaintenanceInformation_Type_updateScopemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_updateScopeDescriptionmaintenance_xsd.tmp#MD_MaintenanceInformation_Type_maintenanceNotemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_contactmaintenance_xsd.tmp#MD_MaintenanceInformation_Type
Type gmd:MD_MaintenanceInformation_Type
Type hierarchy
Properties
content complex
Used by
Model
Children gmd:contact, gmd:dateOfNextUpdate, gmd:maintenanceAndUpdateFrequency, gmd:maintenanceNote, gmd:updateScope, gmd:updateScopeDescription, gmd:userDefinedMaintenanceFrequency
Instance
<gmd:MD_MaintenanceInformation id="" uuid="" xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:maintenanceAndUpdateFrequency gco:nilReason="">{1,1}</gmd:maintenanceAndUpdateFrequency>
  <gmd:dateOfNextUpdate gco:nilReason="">{0,1}</gmd:dateOfNextUpdate>
  <gmd:userDefinedMaintenanceFrequency gco:nilReason="">{0,1}</gmd:userDefinedMaintenanceFrequency>
  <gmd:updateScope gco:nilReason="">{0,unbounded}</gmd:updateScope>
  <gmd:updateScopeDescription gco:nilReason="">{0,unbounded}</gmd:updateScopeDescription>
  <gmd:maintenanceNote gco:nilReason="">{0,unbounded}</gmd:maintenanceNote>
  <gmd:contact xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="">{0,unbounded}</gmd:contact>
</gmd:MD_MaintenanceInformation>
Attributes
QName Type Use
id xs:ID optional
uuid xs:string optional
Source
<xs:element name="MD_MaintenanceInformation" type="gmd:MD_MaintenanceInformation_Type"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:maintenanceAndUpdateFrequency
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_MaintenanceFrequencyCodemaintenance_xsd.tmp#MD_MaintenanceFrequencyCode_PropertyType
Type gmd:MD_MaintenanceFrequencyCode_PropertyType
Properties
content complex
Model
Children gmd:MD_MaintenanceFrequencyCode
Instance
<gmd:maintenanceAndUpdateFrequency gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:MD_MaintenanceFrequencyCode codeList="" codeListValue="" codeSpace="">{1,1}</gmd:MD_MaintenanceFrequencyCode>
</gmd:maintenanceAndUpdateFrequency>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="maintenanceAndUpdateFrequency" type="gmd:MD_MaintenanceFrequencyCode_PropertyType"/>
Element gmd:MD_MaintenanceFrequencyCode
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#CodeListValue_Type_codeListgcoBase_xsd.tmp#CodeListValue_Type_codeListValuegcoBase_xsd.tmp#CodeListValue_Type_codeSpacegcoBase_xsd.tmp#CodeListValue_TypebasicTypes_xsd_1.tmp#CharacterString
Type gco:CodeListValue_Type
Properties
content complex
Substitution Group Affiliation
Used by
Attributes
QName Type Use
codeList xs:anyURI required
codeListValue xs:anyURI required
codeSpace xs:anyURI optional
Source
<xs:element name="MD_MaintenanceFrequencyCode" type="gco:CodeListValue_Type" substitutionGroup="gco:CharacterString"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:dateOfNextUpdate
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonbasicTypes_xsd_1.tmp#DatebasicTypes_xsd_1.tmp#DateTimebasicTypes_xsd_1.tmp#Date_PropertyType
Type gco:Date_PropertyType
Properties
content complex
minOccurs 0
Model
Children gco:Date, gco:DateTime
Instance
<gmd:dateOfNextUpdate gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gco="http://www.isotc211.org/2005/gco">
  <gco:Date>{1,1}</gco:Date>
  <gco:DateTime>{1,1}</gco:DateTime>
</gmd:dateOfNextUpdate>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="dateOfNextUpdate" type="gco:Date_PropertyType" minOccurs="0"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:userDefinedMaintenanceFrequency
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasontemporalObjects_xsd.tmp#TM_PeriodDurationtemporalObjects_xsd.tmp#TM_PeriodDuration_PropertyType
Type gts:TM_PeriodDuration_PropertyType
Properties
content complex
minOccurs 0
Model
Children gts:TM_PeriodDuration
Instance
<gmd:userDefinedMaintenanceFrequency gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gts="http://www.isotc211.org/2005/gts">
  <gts:TM_PeriodDuration>{1,1}</gts:TM_PeriodDuration>
</gmd:userDefinedMaintenanceFrequency>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="userDefinedMaintenanceFrequency" type="gts:TM_PeriodDuration_PropertyType" minOccurs="0"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:updateScope
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_ScopeCodemaintenance_xsd.tmp#MD_ScopeCode_PropertyType
Type gmd:MD_ScopeCode_PropertyType
Properties
content complex
minOccurs 0
maxOccurs unbounded
Model
Children gmd:MD_ScopeCode
Instance
<gmd:updateScope gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:MD_ScopeCode codeList="" codeListValue="" codeSpace="">{1,1}</gmd:MD_ScopeCode>
</gmd:updateScope>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="updateScope" type="gmd:MD_ScopeCode_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:updateScopeDescription
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_ScopeDescriptionmaintenance_xsd.tmp#MD_ScopeDescription_PropertyType
Type gmd:MD_ScopeDescription_PropertyType
Properties
content complex
minOccurs 0
maxOccurs unbounded
Model
Children gmd:MD_ScopeDescription
Instance
<gmd:updateScopeDescription gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:MD_ScopeDescription>{1,1}</gmd:MD_ScopeDescription>
</gmd:updateScopeDescription>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="updateScopeDescription" type="gmd:MD_ScopeDescription_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
Element gmd:MD_ScopeDescription
Namespace http://www.isotc211.org/2005/gmd
Diagram
Diagrammaintenance_xsd.tmp#MD_ScopeDescription_Type_attributesmaintenance_xsd.tmp#MD_ScopeDescription_Type_featuresmaintenance_xsd.tmp#MD_ScopeDescription_Type_featureInstancesmaintenance_xsd.tmp#MD_ScopeDescription_Type_attributeInstancesmaintenance_xsd.tmp#MD_ScopeDescription_Type_datasetmaintenance_xsd.tmp#MD_ScopeDescription_Type_othermaintenance_xsd.tmp#MD_ScopeDescription_Type
Type gmd:MD_ScopeDescription_Type
Properties
content complex
Used by
Model
Children gmd:attributeInstances, gmd:attributes, gmd:dataset, gmd:featureInstances, gmd:features, gmd:other
Instance
<gmd:MD_ScopeDescription xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:attributes xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="">{1,unbounded}</gmd:attributes>
  <gmd:features xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="">{1,unbounded}</gmd:features>
  <gmd:featureInstances xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="">{1,unbounded}</gmd:featureInstances>
  <gmd:attributeInstances xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="">{1,unbounded}</gmd:attributeInstances>
  <gmd:dataset gco:nilReason="">{1,1}</gmd:dataset>
  <gmd:other gco:nilReason="">{1,1}</gmd:other>
</gmd:MD_ScopeDescription>
Source
<xs:element name="MD_ScopeDescription" type="gmd:MD_ScopeDescription_Type"/>
Element gmd:MD_ScopeDescription_Type / gmd:attributes
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasongcoBase_xsd.tmp#ObjectReference_PropertyType
Type gco:ObjectReference_PropertyType
Properties
content complex
maxOccurs unbounded
Model
Attributes
Source
<xs:element name="attributes" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
Element gmd:MD_ScopeDescription_Type / gmd:features
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasongcoBase_xsd.tmp#ObjectReference_PropertyType
Type gco:ObjectReference_PropertyType
Properties
content complex
maxOccurs unbounded
Model
Attributes
Source
<xs:element name="features" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
Element gmd:MD_ScopeDescription_Type / gmd:featureInstances
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasongcoBase_xsd.tmp#ObjectReference_PropertyType
Type gco:ObjectReference_PropertyType
Properties
content complex
maxOccurs unbounded
Model
Attributes
Source
<xs:element name="featureInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
Element gmd:MD_ScopeDescription_Type / gmd:attributeInstances
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasongcoBase_xsd.tmp#ObjectReference_PropertyType
Type gco:ObjectReference_PropertyType
Properties
content complex
maxOccurs unbounded
Model
Attributes
Source
<xs:element name="attributeInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
Element gmd:MD_ScopeDescription_Type / gmd:dataset
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonbasicTypes_xsd_1.tmp#CharacterStringbasicTypes_xsd_1.tmp#CharacterString_PropertyType
Type gco:CharacterString_PropertyType
Properties
content complex
Model
Children gco:CharacterString
Instance
<gmd:dataset gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gco="http://www.isotc211.org/2005/gco">
  <gco:CharacterString>{1,1}</gco:CharacterString>
</gmd:dataset>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="dataset" type="gco:CharacterString_PropertyType"/>
Element gmd:MD_ScopeDescription_Type / gmd:other
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonbasicTypes_xsd_1.tmp#CharacterStringbasicTypes_xsd_1.tmp#CharacterString_PropertyType
Type gco:CharacterString_PropertyType
Properties
content complex
Model
Children gco:CharacterString
Instance
<gmd:other gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gco="http://www.isotc211.org/2005/gco">
  <gco:CharacterString>{1,1}</gco:CharacterString>
</gmd:other>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="other" type="gco:CharacterString_PropertyType"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:maintenanceNote
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonbasicTypes_xsd_1.tmp#CharacterStringbasicTypes_xsd_1.tmp#CharacterString_PropertyType
Type gco:CharacterString_PropertyType
Properties
content complex
minOccurs 0
maxOccurs unbounded
Model
Children gco:CharacterString
Instance
<gmd:maintenanceNote gco:nilReason="" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gco="http://www.isotc211.org/2005/gco">
  <gco:CharacterString>{1,1}</gco:CharacterString>
</gmd:maintenanceNote>
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:element name="maintenanceNote" type="gco:CharacterString_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
Element gmd:MD_MaintenanceInformation_Type / gmd:contact
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasoncitation_xsd.tmp#CI_ResponsiblePartycitation_xsd.tmp#CI_ResponsibleParty_PropertyType
Type gmd:CI_ResponsibleParty_PropertyType
Properties
content complex
minOccurs 0
maxOccurs unbounded
Model
Children gmd:CI_ResponsibleParty
Instance
<gmd:contact xlink:actuate="" xlink:arcrole="" xlink:href="" gco:nilReason="" xlink:role="" xlink:show="" xlink:title="" xlink:type="simple" uuidref="" xmlns:gmd="http://www.isotc211.org/2005/gmd">
  <gmd:CI_ResponsibleParty id="" uuid="">{1,1}</gmd:CI_ResponsibleParty>
</gmd:contact>
Attributes
Source
<xs:element name="contact" type="gmd:CI_ResponsibleParty_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
Complex Type gmd:MD_ScopeCode_PropertyType
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_ScopeCode
Used by
Model
Children gmd:MD_ScopeCode
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:complexType name="MD_ScopeCode_PropertyType">
  <xs:sequence minOccurs="0">
    <xs:element ref="gmd:MD_ScopeCode"/>
  </xs:sequence>
  <xs:attribute ref="gco:nilReason"/>
</xs:complexType>
Complex Type gmd:MD_MaintenanceInformation_PropertyType
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#ObjectReferencegcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_MaintenanceInformation
Used by
Model
Children gmd:MD_MaintenanceInformation
Attributes
Source
<xs:complexType name="MD_MaintenanceInformation_PropertyType">
  <xs:sequence minOccurs="0">
    <xs:element ref="gmd:MD_MaintenanceInformation"/>
  </xs:sequence>
  <xs:attributeGroup ref="gco:ObjectReference"/>
  <xs:attribute ref="gco:nilReason"/>
</xs:complexType>
Complex Type gmd:MD_MaintenanceInformation_Type
Namespace http://www.isotc211.org/2005/gmd
Annotations
Information about the scope and frequency of updating
Diagram
DiagramgcoBase_xsd.tmp#ObjectIdentificationgcoBase_xsd.tmp#AbstractObject_Typemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_maintenanceAndUpdateFrequencymaintenance_xsd.tmp#MD_MaintenanceInformation_Type_dateOfNextUpdatemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_userDefinedMaintenanceFrequencymaintenance_xsd.tmp#MD_MaintenanceInformation_Type_updateScopemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_updateScopeDescriptionmaintenance_xsd.tmp#MD_MaintenanceInformation_Type_maintenanceNotemaintenance_xsd.tmp#MD_MaintenanceInformation_Type_contact
Type extension of gco:AbstractObject_Type
Type hierarchy
Used by
Model
Children gmd:contact, gmd:dateOfNextUpdate, gmd:maintenanceAndUpdateFrequency, gmd:maintenanceNote, gmd:updateScope, gmd:updateScopeDescription, gmd:userDefinedMaintenanceFrequency
Attributes
QName Type Use
id xs:ID optional
uuid xs:string optional
Source
<xs:complexType name="MD_MaintenanceInformation_Type">
  <xs:annotation>
    <xs:documentation>Information about the scope and frequency of updating</xs:documentation>
  </xs:annotation>
  <xs:complexContent>
    <xs:extension base="gco:AbstractObject_Type">
      <xs:sequence>
        <xs:element name="maintenanceAndUpdateFrequency" type="gmd:MD_MaintenanceFrequencyCode_PropertyType"/>
        <xs:element name="dateOfNextUpdate" type="gco:Date_PropertyType" minOccurs="0"/>
        <xs:element name="userDefinedMaintenanceFrequency" type="gts:TM_PeriodDuration_PropertyType" minOccurs="0"/>
        <xs:element name="updateScope" type="gmd:MD_ScopeCode_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element name="updateScopeDescription" type="gmd:MD_ScopeDescription_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element name="maintenanceNote" type="gco:CharacterString_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
        <xs:element name="contact" type="gmd:CI_ResponsibleParty_PropertyType" minOccurs="0" maxOccurs="unbounded"/>
      </xs:sequence>
    </xs:extension>
  </xs:complexContent>
</xs:complexType>
Complex Type gmd:MD_MaintenanceFrequencyCode_PropertyType
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_MaintenanceFrequencyCode
Used by
Model
Children gmd:MD_MaintenanceFrequencyCode
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:complexType name="MD_MaintenanceFrequencyCode_PropertyType">
  <xs:sequence minOccurs="0">
    <xs:element ref="gmd:MD_MaintenanceFrequencyCode"/>
  </xs:sequence>
  <xs:attribute ref="gco:nilReason"/>
</xs:complexType>
Complex Type gmd:MD_ScopeDescription_PropertyType
Namespace http://www.isotc211.org/2005/gmd
Diagram
DiagramgcoBase_xsd.tmp#nilReasonmaintenance_xsd.tmp#MD_ScopeDescription
Used by
Model
Children gmd:MD_ScopeDescription
Attributes
QName Type Use
gco:nilReason gml:NilReasonType optional
Source
<xs:complexType name="MD_ScopeDescription_PropertyType">
  <xs:sequence minOccurs="0">
    <xs:element ref="gmd:MD_ScopeDescription"/>
  </xs:sequence>
  <xs:attribute ref="gco:nilReason"/>
</xs:complexType>
Complex Type gmd:MD_ScopeDescription_Type
Namespace http://www.isotc211.org/2005/gmd
Annotations
Description of the class of information covered by the information
Diagram
Diagrammaintenance_xsd.tmp#MD_ScopeDescription_Type_attributesmaintenance_xsd.tmp#MD_ScopeDescription_Type_featuresmaintenance_xsd.tmp#MD_ScopeDescription_Type_featureInstancesmaintenance_xsd.tmp#MD_ScopeDescription_Type_attributeInstancesmaintenance_xsd.tmp#MD_ScopeDescription_Type_datasetmaintenance_xsd.tmp#MD_ScopeDescription_Type_other
Used by
Model
Children gmd:attributeInstances, gmd:attributes, gmd:dataset, gmd:featureInstances, gmd:features, gmd:other
Source
<xs:complexType name="MD_ScopeDescription_Type">
  <xs:annotation>
    <xs:documentation>Description of the class of information covered by the information</xs:documentation>
  </xs:annotation>
  <xs:choice>
    <xs:element name="attributes" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
    <xs:element name="features" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
    <xs:element name="featureInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
    <xs:element name="attributeInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded"/>
    <xs:element name="dataset" type="gco:CharacterString_PropertyType"/>
    <xs:element name="other" type="gco:CharacterString_PropertyType"/>
  </xs:choice>
</xs:complexType>