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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema targetNamespace="http://www.isotc211.org/2005/gco" elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:gml="http://www.opengis.net/gml">
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<!-- ================================= Annotation ================================ -->
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<xs:annotation>
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<xs:documentation>This schema provides:
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1. tools to handle specific objects like "code lists" and "record";
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2. Some XML types representing that do not follow the general encoding rules.</xs:documentation>
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</xs:annotation>
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<!-- ================================== Imports ================================== -->
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<xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlinks.xsd"/>
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<xs:import namespace="http://www.opengis.net/gml" schemaLocation="gml.xsd"/>
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<!-- ########################################################################### -->
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<!-- ########################################################################### -->
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<!-- =========================================================================== -->
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<!-- ========================= IM_Object: abstract Root ============================= -->
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<!--================= Type ===================-->
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<xs:complexType name="AbstractObject_Type" abstract="true">
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<xs:sequence/>
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<xs:attributeGroup ref="gco:ObjectIdentification"/>
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</xs:complexType>
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<!--================= Element =================-->
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<xs:element name="AbstractObject" type="gco:AbstractObject_Type" abstract="true"/>
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<!-- ========================================================================== -->
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<!-- ====================== Reference of a resource =============================== -->
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<!--The following attributeGroup 'extends' the GML gml:AssociationAttributeGroup-->
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<xs:attributeGroup name="ObjectReference">
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<xs:attributeGroup ref="xlink:simpleLink"/>
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<xs:attribute name="uuidref" type="xs:string"/>
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</xs:attributeGroup>
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<!--================== NULL ====================-->
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<xs:attribute name="nilReason" type="gml:NilReasonType"/>
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<!--=============== PropertyType =================-->
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<xs:complexType name="ObjectReference_PropertyType">
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<xs:sequence/>
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<xs:attributeGroup ref="gco:ObjectReference"/>
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<xs:attribute ref="gco:nilReason"/>
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</xs:complexType>
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<!-- ========================================================================== -->
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<!-- ====================== Identification of a resource ============================== -->
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<xs:attributeGroup name="ObjectIdentification">
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<xs:attribute name="id" type="xs:ID"/>
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<xs:attribute name="uuid" type="xs:string"/>
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</xs:attributeGroup>
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<!-- ========================================================================== -->
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<!-- ====================== The CodeList prototype ================================= -->
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<!--It is used to refer to a specific codeListValue in a register-->
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<!--================= Type ==================-->
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<xs:complexType name="CodeListValue_Type">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="codeList" type="xs:anyURI" use="required"/>
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<xs:attribute name="codeListValue" type="xs:anyURI" use="required"/>
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<xs:attribute name="codeSpace" type="xs:anyURI"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<!-- ========================================================================== -->
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<!-- ========================== The isoType attribute ============================== -->
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<xs:attribute name="isoType" type="xs:string"/>
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<!--==============End================-->
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</xs:schema>
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