<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:xlink="http://www.w3.org/1999/xlink" targetNamespace="http://www.isotc211.org/2005/gmd" elementFormDefault="qualified" version="0.1" finalDefault="" blockDefault="" attributeFormDefault="unqualified">
    <xs:annotation>
        <xs:documentation>This file was generated from ISO TC/211 UML class diagrams == 01-26-2005 12:40:04 ====== Status of the dataset or progress of a review</xs:documentation>
    </xs:annotation>
    <xs:import namespace="http://www.isotc211.org/2005/gts" schemaLocation="../gts/gts.xsd"/>
    <xs:import namespace="http://www.isotc211.org/2005/gco" schemaLocation="../gco/gco.xsd"/>
    <xs:include schemaLocation="../gmd/citation.xsd"/>
    <xs:complexType name="MD_MaintenanceInformation_Type" mixed="false" abstract="false">
        <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 minOccurs="1" maxOccurs="1">
                    <xs:element name="maintenanceAndUpdateFrequency" type="gmd:MD_MaintenanceFrequencyCode_PropertyType" minOccurs="1" maxOccurs="1" nillable="false"/>
                    <xs:element name="dateOfNextUpdate" type="gco:Date_PropertyType" minOccurs="0" maxOccurs="1" nillable="false"/>
                    <xs:element name="userDefinedMaintenanceFrequency" type="gts:TM_PeriodDuration_PropertyType" minOccurs="0" maxOccurs="1" nillable="false"/>
                    <xs:element name="updateScope" type="gmd:MD_ScopeCode_PropertyType" minOccurs="0" maxOccurs="unbounded" nillable="false"/>
                    <xs:element name="updateScopeDescription" type="gmd:MD_ScopeDescription_PropertyType" minOccurs="0" maxOccurs="unbounded" nillable="false"/>
                    <xs:element name="maintenanceNote" type="gco:CharacterString_PropertyType" minOccurs="0" maxOccurs="unbounded" nillable="false"/>
                    <xs:element name="contact" type="gmd:CI_ResponsibleParty_PropertyType" minOccurs="0" maxOccurs="unbounded" nillable="false"/>
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    <xs:element name="MD_MaintenanceInformation" type="gmd:MD_MaintenanceInformation_Type" nillable="false" abstract="false"/>
    <xs:complexType name="MD_MaintenanceInformation_PropertyType" mixed="false" abstract="false">
        <xs:sequence minOccurs="1" maxOccurs="1">
            <xs:element ref="gmd:MD_MaintenanceInformation" minOccurs="0" maxOccurs="1" nillable="false"/>
        </xs:sequence>
        <xs:attributeGroup ref="gco:ObjectReference"/>
        <xs:attribute ref="gco:nilReason" use="optional"/>
    </xs:complexType>
    <xs:complexType name="MD_ScopeDescription_Type" mixed="false" abstract="false">
        <xs:annotation>
            <xs:documentation>Description of the class of information covered by the information</xs:documentation>
        </xs:annotation>
        <xs:choice minOccurs="1" maxOccurs="1">
            <xs:element name="attributes" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded" minOccurs="1" nillable="false"/>
            <xs:element name="features" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded" minOccurs="1" nillable="false"/>
            <xs:element name="featureInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded" minOccurs="1" nillable="false"/>
            <xs:element name="attributeInstances" type="gco:ObjectReference_PropertyType" maxOccurs="unbounded" minOccurs="1" nillable="false"/>
            <xs:element name="dataset" type="gco:CharacterString_PropertyType" minOccurs="1" maxOccurs="1" nillable="false"/>
            <xs:element name="other" type="gco:CharacterString_PropertyType" minOccurs="1" maxOccurs="1" nillable="false"/>
        </xs:choice>
    </xs:complexType>
    <xs:element name="MD_ScopeDescription" type="gmd:MD_ScopeDescription_Type" nillable="false" abstract="false"/>
    <xs:complexType name="MD_ScopeDescription_PropertyType" mixed="false" abstract="false">
        <xs:sequence minOccurs="1" maxOccurs="1">
            <xs:element ref="gmd:MD_ScopeDescription" minOccurs="0" maxOccurs="1" nillable="false"/>
        </xs:sequence>
        <xs:attribute ref="gco:nilReason" use="optional"/>
    </xs:complexType>
    <xs:element name="MD_MaintenanceFrequencyCode" type="gco:CodeListValue_Type" substitutionGroup="gco:CharacterString" nillable="false" abstract="false"/>
    <xs:complexType name="MD_MaintenanceFrequencyCode_PropertyType" mixed="false" abstract="false">
        <xs:sequence minOccurs="1" maxOccurs="1">
            <xs:element ref="gmd:MD_MaintenanceFrequencyCode" minOccurs="0" maxOccurs="1" nillable="false"/>
        </xs:sequence>
        <xs:attribute ref="gco:nilReason" use="optional"/>
    </xs:complexType>
    <xs:element name="MD_ScopeCode" type="gco:CodeListValue_Type" substitutionGroup="gco:CharacterString" nillable="false" abstract="false"/>
    <xs:complexType name="MD_ScopeCode_PropertyType" mixed="false" abstract="false">
        <xs:sequence minOccurs="1" maxOccurs="1">
            <xs:element ref="gmd:MD_ScopeCode" minOccurs="0" maxOccurs="1" nillable="false"/>
        </xs:sequence>
        <xs:attribute ref="gco:nilReason" use="optional"/>
    </xs:complexType>
</xs:schema>