<?xml version="1.0" encoding="UTF-8"?>

<!-- 
  Variations/FRBR Project schema release 1.1
-->

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"

            xmlns="http://vfrbr.info/vfrbr/1.1/expression"
            targetNamespace="http://vfrbr.info/vfrbr/1.1/expression"
            elementFormDefault="qualified"
            attributeFormDefault="unqualified"
            >

  <!--
    include common types
    -->
  <xsd:include schemaLocation="http://vfrbr.info/schemas/1.1/vfrbr-commonEntityTypes.xsd"/>

  <!--
    XML elements
    for vFRBR Expression entity attributes
    -->
  <xsd:element name="titleOfTheExpression"
               type="TypeVocabOffsetAttributeType"
               />
  <xsd:element name="formOfExpression"
               type="VocabAttributeType"
               />
  <xsd:element name="dateOfExpression"
               type="TypeNormalAttributeType"
               />
  <xsd:element name="languageOfExpression"
               type="VocabNormalAttributeType"
               />
  <xsd:element name="otherDistinguishingCharacteristic"
               type="SimpleAttributeType"/>
  <!-- excluded
  <xsd:element
    name="extensibilityOfExpression"
    type="SimpleAttributeType"/>
  <xsd:element
    name="revisabilityOfExpression"
    type="SimpleAttributeType"/>
    -->
  <xsd:element name="extentOfTheExpression"
               type="SimpleAttributeType"
               />
  <xsd:element name="summarizationOfContent"
               type="SimpleAttributeType"
               />
  <xsd:element name="contextForTheExpression"
               type="SimpleAttributeType"
               />
  <xsd:element name="criticalResponseToTheExpression"
               type="SimpleAttributeType"/>
  <!-- excluded
  <xsd:element
    name="useRestrictionsOnTheExpression"
    type="TypeAttributeType"/>
  <xsd:element
    name="sequencingPattern"
    type="SimpleAttributeType"/>
  <xsd:element
    name="expectedRegularityOfIssue"
    type="SimpleAttributeType"/>
  <xsd:element
    name="expectedFrequencyOfIssue"
    type="SimpleAttributeType"/>
    -->
  <xsd:element name="typeOfScore"
               type="VocabAttributeType"
               />
  <xsd:element name="mediumOfPerformance"
               type="VocabQuantAttributeType"/>
  <!-- excluded
  <xsd:element
    name="scale"
    type="SimpleAttributeType"/>
  <xsd:element
    name="projection"
    type="SimpleAttributeType"/>
  <xsd:element
    name="presentationTechnique"
    type="SimpleAttributeType"/>
  <xsd:element
    name="representationOfRelief"
    type="SimpleAttributeType"/>
  <xsd:element
    name="geodeticGridAndVerticalMeasurement"
    type="SimpleAttributeType"/>
  <xsd:element
    name="recordingTechnique"
    type="SimpleAttributeType"/>
  <xsd:element
    name="specialCharacteristic"
    type="SimpleAttributeType"/>
  <xsd:element
    name="technique"
    type="SimpleAttributeType"/>
    -->

</xsd:schema>