<jsdl:JobDefinition 
      targetNamespace="xs:anyURI"
      xmlns:jsdl="...JSDL...">

<!-- ==================== JSDL standard types ==================== -->

    <jsdl:UserType name="NCName">
        <jsdl:ExecutionUserID/> ?
        <jsdl:ExecutionGroupID/> ?
        <jsdl:UserGroup id="xs:NCName"/> *
    <jsdl:UserType>

<!-- ==================== JSDL job description ==================== -->

    <jsdl:JobDescription name="xs:NCName">
        <jsdl:JobIdentification/> ?
        <jsdl:User type="xs:QName"/> ?
        <jsdl:Application/> ?
        <jsdl:Resource/> *
        <jsdl:DataStaging/> *
        <jsdl:Limits/> ?
    </jsdl:JobDescription>

    <jsdl:Profile name="xs:NCName"/> *

</jsdl:JobDefinition>


<!-- ==================== UNICORE user definition ==================== -->

    <unicore:UserType extensionBase="jsdl:UserType"
                      targetNamespace="...UNICORE...">
        <unicore:Certificate>xs:base64String</unicore:Certificate>
        <unicore:EmailAddress>xs:string</unicore:EmailAddress>
    </unicore:UserType>


<!-- ========== SAMPLE JSDL document, incomplete ==================== -->

<jsdl:JobDefinition
        targetNamespace="...JSDL..."
        xmlns:unicore="...UNICORE...">

    <jsdl:JobDescription name="sampleJob">
        <jsdl:JobIdentification>
            <jsdl:JobName>A sample Job to demonstrate the benefits of Igor's proposal<jsdl:JobName>
        <jsdl:JobIdentification>
        <jsdl:User type="unicore:UserType">
            <unicore:Certificate>...</unicore:Certificate>
            <unicore:EmailAddress>Michel.Drescher@uk.fujitsu.com</unicore:EmailAddress>
            <jsdl:ExecutionUserId>foo</jsdl:ExecutionUserId>
        </jsdl:User>
    <jsdl:JobDescription>

</jsdl:JobDefinition>