<!--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    XOBIS: XML Organic Bibliographic Information Schema (v. 1.0a)
       Copyright 2002 by Lane Medical Library, Stanford University
      
       This information may be copied, distributed and/or modified
       under certain conditions, but it comes WITHOUT ANY WARRANTY;
       see the Design Science License (DSL) for more details.
      
       If the schema was not accompanied by its license, view an online
       version of the license at http://xobis.stanford.edu/license.html
   
       Alpha version of schema developed by Kevin S. Clarke, Mary Buttner,
       Maria Feng, Ying Li, Pam Murnane, Jo Wang, Rebecca Wesley, 
       Charles Yates, Danjin Zhu, and Dick R. Miller, 
       members of the Medlane Project at Lane Medical Library, Stanford.
        
       Developed: Dec. 2001-Sept. 2002
       Completed: Friday, Sept. 13, 2002
       Public Release: 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 -->
-<grammar ns="http://medlane.stanford.edu/ns/xobis/1.0a" datatypeLibrary="http://medlane.stanford.edu/ns/datatypes/1.0">
<!--
 ********************* OVERVIEW ********************
 -->
-<start>
-<element name="RecordList">
-<oneOrMore>
-<element name="Record">
 <ref name="GenericLangAttribute"/>
 <ref name="ControlData"/>
-<choice>
 <ref name="Concept"/>
 <ref name="String"/>
 <ref name="Language"/>
 <ref name="Organization"/>
 <ref name="Event"/>
 <ref name="Time"/>
 <ref name="Place"/>
 <ref name="Being"/>
 <ref name="Object"/>
 <ref name="Work"/>
 </choice>
 <ref name="Relationships"/>
 </element>
 </oneOrMore>
 </element>
 </start>
<!--
 *********************** CONTROL_DATA ***********************
 -->
-<define name="ControlData">
-<element name="ControlData">
-<element name="ID">
 <ref name="IDContent"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="ID">
 <ref name="IDContent"/>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
-<element name="Actions">
-<oneOrMore>
-<element name="Action">
 <ref name="GenericTypeElement"/>
-<element name="Time">
 </element>
-<optional>
-<element name="Notation">
-<attribute name="class">
 <value>documentation</value>
 </attribute>
 <ref name="GenericLangAttribute"/>
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
 <ref name="GenericValueElement"/>
 </element>
 </optional>
 </element>
 </oneOrMore>
 </element>
-<element name="Types">
-<oneOrMore>
 <ref name="GenericTypeElement"/>
 </oneOrMore>
 </element>
 </element>
 </define>
-<define name="IDContent">
-<element name="Organization">
-<optional>
 <attribute name="id"/>
-<optional>
-<attribute name="substitute">
 <value>Code</value>
 </attribute>
 </optional>
 </optional>
 <text/>
 </element>
 <ref name="GenericValueElement"/>
 </define>
<!--
 ************************** CONCEPT *****************************
 -->
-<define name="Concept">
-<element name="Concept">
-<optional>
-<attribute name="type">
-<choice>
 <value>abstract</value>
 <value>collective</value>
 <value>control</value>
 <value>specific</value>
 </choice>
 </attribute>
 </optional>
-<optional>
-<attribute name="usage">
 <value>subdivision</value>
 </attribute>
-<attribute name="subtype">
-<choice>
 <value>general</value>
 <value>form</value>
 <value>topical</value>
 <value>unspecified</value>
 </choice>
 </attribute>
 </optional>
-<element name="Entry">
 <ref name="ConceptEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Concept">
 <ref name="ConceptEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="ConceptEntry">
 <ref name="GenericSchemeAttribute"/>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
<!--
 *************************** STRING *****************************
 -->
-<define name="String">
-<element name="String">
-<optional>
-<attribute name="type">
-<choice>
 <value>textual</value>
 <value>numeric</value>
 <value>mixed</value>
 </choice>
 </attribute>
 </optional>
-<element name="Entry">
 <ref name="StringClass"/>
 <attribute name="grammar"/>
 <ref name="StringEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="String">
 <ref name="StringClass"/>
 <attribute name="grammar"/>
 <ref name="StringEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="StringClass">
-<optional>
-<attribute name="class">
-<choice>
 <value>word</value>
 <value>phrase</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="StringEntry">
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
<!--
 ************************** LANGUAGE ***************************
 -->
-<define name="Language">
-<element name="Language">
-<element name="Entry">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>other</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 <ref name="LanguageEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Language">
 <ref name="LanguageEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="LanguageEntry">
 <ref name="GenericSchemeAttribute"/>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
<!--
 *********************** ORGANIZATION ************************
 -->
-<define name="Organization">
-<element name="Organization">
-<optional>
-<attribute name="type">
-<choice>
 <value>business</value>
 <value>government</value>
 <value>nonprofit</value>
 <value>other</value>
 </choice>
 </attribute>
 </optional>
-<element name="Entry">
 <ref name="GenericClassAttribute"/>
 <ref name="OrganizationEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Organization">
 <ref name="OrganizationEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="OrganizationEntry">
 <ref name="GenericSchemeAttribute"/>
 <ref name="GenericPreQualifiers"/>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
<!--
 ************************* EVENT **************************
 -->
-<define name="Event">
-<element name="Event">
-<optional>
-<attribute name="type">
-<choice>
 <value>natural</value>
 <value>meeting</value>
 <value>journey</value>
 <value>occurrence</value>
 <value>miscellaneous</value>
 </choice>
 </attribute>
 </optional>
-<element name="Entry">
 <ref name="GenericTypeAttribute"/>
 <ref name="GenericClassAttribute"/>
 <ref name="EventEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Event">
 <ref name="EventEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="EventEntry">
 <ref name="GenericSchemeAttribute"/>
 <ref name="GenericPreQualifiers"/>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
<!--
 ************************** TIME ******************************
 -->
-<define name="Time">
-<element name="Time">
-<element name="Entry">
-<choice>
-<group>
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 <ref name="TimeEntry"/>
 </group>
-<group>
-<optional>
-<attribute name="class">
-<choice>
 <value>collective</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 <ref name="SimpleDurationElement"/>
 </group>
 </choice>
 </element>
 <ref name="GenericEntrySubstitutes"/>
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
-<choice>
-<element name="Time">
 <ref name="TimeEntry"/>
 </element>
 <ref name="SimpleDurationElement"/>
 </choice>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </element>
 </define>
-<define name="TimeEntry">
-<choice>
 <ref name="Year"/>
 <ref name="YearMonthDay"/>
 <ref name="StandardizedTime"/>
 <ref name="GenericNameElement"/>
 </choice>
 </define>
-<define name="TimeCalendarSchemeAttributes">
-<optional>
 <attribute name="calendar"/>
 </optional>
 <ref name="GenericSchemeAttribute"/>
 </define>
-<define name="StandardizedTime">
-<element name="Millisecs">
 <text/>
 </element>
-<optional>
-<element name="TZHour">
 <text/>
 </element>
-<element name="TZMinute">
 <text/>
 </element>
 </optional>
 </define>
-<define name="YearMonthDayHourMinuteSecond">
 <ref name="YearMonthDay"/>
-<element name="Hour">
 <text/>
 </element>
-<element name="Minute">
 <text/>
 </element>
-<element name="Second">
 <text/>
 </element>
 </define>
-<define name="YearMonthDay">
 <ref name="Year"/>
-<element name="Month">
 <text/>
 </element>
-<element name="Day">
 <text/>
 </element>
 </define>
-<define name="Year">
-<element name="Year">
 <text/>
 </element>
 </define>
-<define name="ImplicitTimeRelationship">
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
<!--
 ?
 -->
-<optional>
-<element name="Certainty">
-<optional>
 <attribute name="set"/>
 </optional>
 <text/>
 </element>
 </optional>
 </define>
-<define name="PlainTimeElement">
-<element name="Time">
 <ref name="TimeEntry"/>
 </element>
 </define>
-<define name="SimpleTimeElement">
-<element name="Time">
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
<!--
 ?
 -->
 <ref name="TimeEntry"/>
 </element>
 </define>
-<define name="ReferentialTimeElement">
-<element name="Time">
 <ref name="TimeEntry"/>
 </element>
 </define>
-<define name="RelatedReferentialTimeElement">
-<element name="Time">
 <ref name="ImplicitTimeRelationship"/>
 <ref name="TimeEntry"/>
 </element>
 </define>
-<define name="SimpleDurationElement">
-<element name="Duration">
-<choice>
-<group>
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
<!--
 ?
 -->
 <ref name="PlainTimeElement"/>
 <ref name="PlainTimeElement"/>
 </group>
-<group>
 <ref name="SimpleTimeElement"/>
 <ref name="SimpleTimeElement"/>
 </group>
 </choice>
 </element>
 </define>
-<define name="TimeSpanOptions">
-<optional>
-<choice>
-<element name="Time">
 <ref name="ImplicitTimeRelationship"/>
 <ref name="TimeEntry"/>
 </element>
-<oneOrMore>
-<element name="Times">
 <ref name="ImplicitTimeRelationship"/>
 <ref name="ReferentialTimeElement"/>
 <ref name="ReferentialTimeElement"/>
 </element>
 </oneOrMore>
-<oneOrMore>
-<element name="Duration">
-<choice>
-<group>
 </group>
-<group>
 <ref name="ImplicitTimeRelationship"/>
 <ref name="PlainTimeElement"/>
 <ref name="PlainTimeElement"/>
 </group>
 </choice>
 </element>
 </oneOrMore>
-<oneOrMore>
-<element name="Duration">
-<element name="Times">
 <ref name="ImplicitTimeRelationship"/>
 <ref name="ReferentialTimeElement"/>
 <ref name="ReferentialTimeElement"/>
 </element>
-<element name="Times">
 <ref name="ImplicitTimeRelationship"/>
 </element>
 </element>
 </oneOrMore>
 </choice>
 </optional>
 </define>
-<define name="RelationshipTargetTimeOptions">
-<choice>
-<element name="Time">
 <ref name="TimeEntry"/>
 </element>
-<element name="Duration">
-<choice>
-<group>
 <ref name="ReferentialTimeElement"/>
 <ref name="ReferentialTimeElement"/>
 </group>
-<group>
 <ref name="PlainTimeElement"/>
 <ref name="PlainTimeElement"/>
 </group>
 </choice>
 </element>
 </choice>
 </define>
<!--
 *************************** PLACE *****************************
 -->
-<define name="Place">
-<element name="Place">
-<optional>
-<attribute name="type">
-<choice>
 <value>natural</value>
 <value>constructed</value>
 <value>jurisdictional</value>
 </choice>
 </attribute>
 </optional>
-<choice>
-<group>
 <ref name="GenericInstanceRole"/>
-<element name="Entry">
 <ref name="GenericClassAttribute"/>
 <ref name="PlaceEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="PlaceVaria"/>
 <ref name="GenericHoldingsElement"/>
 </group>
-<group>
 <ref name="GenericAuthorityRole"/>
-<element name="Entry">
 <ref name="GenericClassAttribute"/>
 <ref name="PlaceEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="PlaceVaria"/>
 </group>
 </choice>
 </element>
 </define>
-<define name="PlaceEntry">
 <ref name="GenericSchemeAttribute"/>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </define>
-<define name="PlaceVaria">
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Place">
 <ref name="PlaceEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
<!--
 ************************ BEING *************************
 -->
-<define name="Being">
-<element name="Being">
-<optional>
-<attribute name="type">
-<choice>
 <value>human</value>
 <value>specimen</value>
 <value>special</value>
 </choice>
 </attribute>
 </optional>
-<choice>
-<group>
 <ref name="GenericInstanceRole"/>
-<element name="Entry">
 <ref name="BeingClassAttribute"/>
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
 <ref name="TimeSpanOptions"/>
 <ref name="BeingEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="BeingVaria"/>
 <ref name="GenericHoldingsElement"/>
 </group>
-<group>
 <ref name="GenericAuthorityRole"/>
-<element name="Entry">
 <ref name="BeingClassAttribute"/>
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
 <ref name="TimeSpanOptions"/>
 <ref name="BeingEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="BeingVaria"/>
 </group>
 </choice>
 </element>
 </define>
-<define name="BeingVaria">
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Being">
 <ref name="BeingEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="BeingClassAttribute">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>familial</value>
 <value>collective</value>
 <value>undifferentiated</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="BeingEntry">
 <ref name="GenericSchemeAttribute"/>
-<choice>
-<group>
 <ref name="SurnameElement"/>
-<optional>
 <ref name="ForenameElement"/>
 </optional>
 <ref name="OptionalNameExpansion"/>
 </group>
-<group>
-<optional>
 <ref name="SurnameElement"/>
 </optional>
 <ref name="ForenameElement"/>
 <ref name="OptionalNameExpansion"/>
 </group>
 <ref name="GenericNameElement"/>
 </choice>
 <ref name="GenericQualifiers"/>
 </define>
-<define name="SurnameElement">
-<element name="Surname">
 <text/>
 </element>
 </define>
-<define name="ForenameElement">
-<element name="Forename">
 <text/>
 </element>
 </define>
-<define name="OptionalNameExpansion">
-<optional>
-<element name="Expansion">
 <text/>
 </element>
 </optional>
 </define>
<!--
 ************************* OBJECT *****************************
 -->
-<define name="Object">
-<element name="Object">
-<choice>
-<group>
-<optional>
-<attribute name="type">
-<choice>
 <value>natural</value>
 <value>crafted</value>
 </choice>
 </attribute>
 </optional>
 </group>
-<group>
-<attribute name="type">
 <value>manufactured</value>
 </attribute>
 <ref name="ObjectContent"/>
 </group>
 </choice>
 </element>
 </define>
-<define name="ObjectContent">
-<choice>
-<group>
 <ref name="ObjectDualRoleAttribute"/>
-<element name="Entry">
 <ref name="ObjectEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="ObjectVaria"/>
 <ref name="GenericHoldingsElement"/>
 <ref name="ObjectVersions"/>
 </group>
-<group>
-<element name="Entry">
 <ref name="ObjectEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="ObjectVaria"/>
 <ref name="GenericHoldingsElement"/>
 </group>
 </choice>
 </define>
-<define name="PotentiallyIdentifiedObjectContent">
-<choice>
-<group>
 <ref name="ObjectDualRoleAttribute"/>
-<element name="Entry">
 <ref name="ObjectEntryIdentified"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="ObjectVaria"/>
 <ref name="GenericHoldingsElement"/>
 <ref name="ObjectVersions"/>
 </group>
-<group>
-<element name="Entry">
 <ref name="ObjectEntryIdentified"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="ObjectVaria"/>
 <ref name="GenericHoldingsElement"/>
 </group>
 </choice>
 </define>
-<define name="ObjectDualRoleAttribute">
-<attribute name="role">
-<choice>
 <value>instance</value>
 <value>authority/instance</value>
 </choice>
 </attribute>
 </define>
-<define name="ObjectDoubleClassAttribute">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>collective</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="ObjectSingleRoleAttribute">
-<attribute name="role">
 <value>authority</value>
 </attribute>
 </define>
-<define name="ObjectTripleClassAttribute">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>collective</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="ObjectVaria">
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Object">
 <ref name="ObjectEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="ObjectVersions">
-<optional>
-<element name="Versions">
-<oneOrMore>
-<element name="Version">
-<element name="ID">
 <text/>
 </element>
 <ref name="GenericQualifiers"/>
 <ref name="ObjectVaria"/>
 <ref name="GenericHoldingsElement"/>
-<optional>
 <ref name="Relationships"/>
 </optional>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="ObjectEntry">
-<choice>
-<group>
 <ref name="GenericNameElement"/>
 <ref name="GenericQualifiers"/>
 </group>
-<oneOrMore>
-<element name="NameSegment">
 <text/>
 </element>
 <ref name="GenericQualifiers"/>
 </oneOrMore>
 </choice>
 </define>
-<define name="ObjectEntryIdentified">
 <ref name="ObjectEntry"/>
-<element name="Identifier">
-<element name="Organization">
 <ref name="OrganizationEntry"/>
 </element>
-<element name="String">
 <ref name="StringEntry"/>
 </element>
 </element>
 </define>
<!--
 ************************** WORK ****************************
 -->
-<define name="Work">
-<element name="Work">
-<optional>
-<attribute name="type">
-<choice>
 <value>intellectual</value>
 <value>artistic</value>
 </choice>
 </attribute>
 </optional>
-<choice>
-<group>
 <ref name="GenericInstanceRole"/>
-<element name="Entry">
 <ref name="WorkClassAttribute"/>
 <ref name="GenericTypeAttribute"/>
 <ref name="WorkEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="WorkVaria"/>
 <ref name="GenericHoldingsElement"/>
 <ref name="WorkVersions"/>
 </group>
-<group>
 <ref name="GenericAuthorityRole"/>
-<element name="Entry">
 <ref name="WorkClassAttribute"/>
 <ref name="GenericTypeAttribute"/>
 <ref name="WorkEntry"/>
 </element>
 <ref name="GenericEntrySubstitutes"/>
 <ref name="WorkVaria"/>
 </group>
 </choice>
 </element>
 </define>
-<define name="WorkClassAttribute">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>serial</value>
 <value>collective</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="WorkVaria">
-<optional>
-<element name="Varia">
-<oneOrMore>
-<element name="Variant">
 <ref name="GenericTypeElement"/>
 <ref name="TimeSpanOptions"/>
-<element name="Work">
 <ref name="WorkEntry"/>
 </element>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="WorkVersions">
-<optional>
-<element name="Versions">
-<oneOrMore>
-<element name="Version">
-<element name="ID">
 <text/>
 </element>
 <ref name="GenericQualifiers"/>
 <ref name="WorkVaria"/>
 <ref name="GenericHoldingsElement"/>
-<optional>
 <ref name="Relationships"/>
 </optional>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="WorkEntry">
 <ref name="GenericSchemeAttribute"/>
-<choice>
-<group>
-<element name="Title">
 <text/>
 </element>
 <ref name="GenericQualifiers"/>
 </group>
-<oneOrMore>
-<element name="TitleSegment">
-<optional>
-<attribute name="type">
-<choice>
 <value>subtitle</value>
 <value>section</value>
 </choice>
 </attribute>
 </optional>
 <text/>
 </element>
 <ref name="GenericQualifiers"/>
 </oneOrMore>
 </choice>
 </define>
<!--
 ************************* RELATIONS **************************
 -->
-<define name="Relationships">
-<element name="Relationships">
-<oneOrMore>
-<element name="Relationship">
-<choice>
-<group>
-<attribute name="class">
 <value>conceptual</value>
 </attribute>
-<optional>
-<attribute name="degree">
-<choice>
 <value>primary</value>
 <value>secondary</value>
 <value>tertiary</value>
 <value>broad</value>
 </choice>
 </attribute>
 </optional>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Concept">
 <ref name="ConceptEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>lexical</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="String">
 <ref name="StringEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>linguistic</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Language">
 <ref name="LanguageEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>organizational</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Organization">
 <ref name="OrganizationEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>episodic</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Event">
 <ref name="EventEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>chronological</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
-<optional>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>geographic</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Place">
 <ref name="PlaceEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>vital</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Being">
 <ref name="BeingEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>material</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Object">
 <ref name="ObjectEntry"/>
 </element>
 </optional>
 </group>
-<group>
-<attribute name="class">
 <value>compositional</value>
 </attribute>
 <ref name="RelationshipNameElement"/>
 <ref name="RelationshipModifier"/>
 <ref name="TimeSpanOptions"/>
-<optional>
-<element name="Work">
 <ref name="WorkEntry"/>
 </element>
 </optional>
 </group>
 </choice>
 </element>
 </oneOrMore>
 </element>
 </define>
-<define name="RelationshipModifier">
-<optional>
-<element name="Modifier">
 <text/>
 </element>
 </optional>
 </define>
-<define name="RelationshipDegreeAttribute">
-<optional>
-<attribute name="degree">
-<choice>
 <value>primary</value>
 <value>secondary</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="RelationshipTypeAttribute">
-<attribute name="type">
-<choice>
 <value>subordinate</value>
 <value>superordinate</value>
 <value>preordinate</value>
 <value>postordinate</value>
 <value>associative</value>
 <value>dissociative</value>
 <value>unspecified</value>
 </choice>
 </attribute>
 </define>
-<define name="RelationshipNameElement">
-<element name="Name">
 <text/>
 </element>
 </define>
<!--
 ********************** GENERIC_ELEMENTS *********************
 -->
-<define name="GenericDescriptionElement">
-<optional>
-<element name="Description">
-<oneOrMore>
-<element name="Notation">
-<attribute name="class">
-<choice>
 <value>transcription</value>
 <value>annotation</value>
 <value>documentation</value>
 <value>description</value>
 <value>unspecified</value>
 </choice>
 </attribute>
 <ref name="GenericLangAttribute"/>
-<optional>
 <ref name="GenericTypeElement"/>
 </optional>
 <ref name="GenericValueElement"/>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="GenericClassAttribute">
-<optional>
-<attribute name="class">
-<choice>
 <value>individual</value>
 <value>collective</value>
 <value>referential</value>
 </choice>
 </attribute>
 </optional>
 </define>
-<define name="GenericNameElement">
-<element name="Name">
 <text/>
 </element>
 </define>
-<define name="GenericValueElement">
-<element name="Value">
 <text/>
 </element>
 </define>
-<define name="GenericLinkingID">
-<optional>
-<choice>
 <attribute name="id"/>
 <attribute name="href"/>
 </choice>
 </optional>
 </define>
-<define name="GenericEntrySubstitutes">
-<optional>
-<element name="Abbrev">
 <text/>
 </element>
 </optional>
-<optional>
-<element name="Citation">
 <text/>
 </element>
 </optional>
-<optional>
-<element name="Code">
 <text/>
 </element>
 </optional>
-<optional>
-<element name="Singular">
 <text/>
 </element>
 </optional>
 </define>
-<define name="GenericTypeElement">
-<element name="Type">
-<optional>
 <attribute name="set"/>
 </optional>
 <text/>
 </element>
 </define>
-<define name="GenericInstanceRole">
-<attribute name="role">
-<choice>
 <value>instance</value>
 <value>authority/instance</value>
 </choice>
 </attribute>
 </define>
-<define name="GenericAuthorityRole">
-<attribute name="role">
 <value>authority</value>
 </attribute>
 </define>
-<define name="GenericTypeAttribute">
-<optional>
-<attribute name="type">
 <value>generic</value>
 </attribute>
 </optional>
 </define>
-<define name="GenericSubdivisionAttribute">
-<optional>
-<attribute name="usage">
 <value>subdivision</value>
 </attribute>
 </optional>
 </define>
-<define name="GenericSubdivisionElement">
-<zeroOrMore>
-<element name="Subdivision">
 <text/>
 </element>
 </zeroOrMore>
 </define>
-<define name="GenericSchemeAttribute">
-<optional>
 <attribute name="scheme"/>
 </optional>
 </define>
-<define name="GenericLangAttribute">
-<optional>
 <attribute name="language"/>
 </optional>
 </define>
-<define name="GenericLangTranslitAttributes">
-<optional>
 <attribute name="language"/>
-<optional>
 <attribute name="transliteration"/>
 </optional>
 </optional>
 </define>
-<define name="GenericNonfilingAttribute">
-<optional>
 <attribute name="nonfiling"/>
 </optional>
 </define>
-<define name="GenericReferentialAttributes">
-<optional>
 <ref name="GenericLinkingID"/>
-<optional>
-<attribute name="substitute">
-<choice>
 <value>Abbrev</value>
 <value>Citation</value>
 <value>Code</value>
 <value>Singular</value>
 </choice>
 </attribute>
 </optional>
 </optional>
 </define>
-<define name="GenericHoldingsElement">
-<optional>
-<element name="Holdings">
-<oneOrMore>
-<element name="Holding">
 <ref name="GenericLinkingID"/>
 <empty/>
 </element>
 </oneOrMore>
 </element>
 </optional>
 </define>
-<define name="GenericQualifiers">
-<optional>
 <ref name="GenericQualifiersElement"/>
-<optional>
 <ref name="GenericQualifiersElement"/>
 </optional>
 </optional>
 </define>
-<define name="GenericPreQualifiers">
-<optional>
-<element name="Qualifiers">
-<choice>
-<group>
-<interleave>
 </interleave>
 </group>
-<group>
-<interleave>
 </interleave>
 </group>
-<group>
-<interleave>
 </interleave>
 </group>
 </choice>
 </element>
 </optional>
 </define>
-<define name="GenericQualifiersElement">
-<element name="Qualifiers">
-<choice>
-<group>
 <ref name="GenericConceptQualifier"/>
-<interleave>
 </group>
-<group>
 <ref name="GenericStringQualifier"/>
-<optional>
 <ref name="GenericStringQualifier"/>
 </optional>
-<interleave>
 </group>
-<group>
 <ref name="GenericLanguageQualifier"/>
-<interleave>
 </group>
-<group>
-<optional>
 </optional>
-<interleave>
 </group>
-<group>
 <ref name="GenericEventQualifier"/>
-<interleave>
 </group>
-<group>
 <ref name="GenericTimeQualifier"/>
-<interleave>
 </group>
-<group>
 <ref name="GenericPlaceQualifier"/>
-<interleave>
 </group>
-<group>
 <ref name="GenericBeingQualifier"/>
-<optional>
 <ref name="GenericBeingQualifier"/>
 </optional>
-<interleave>
 </group>
-<group>
 <ref name="GenericObjectQualifier"/>
-<interleave>
 </group>
-<group>
 <ref name="GenericWorkQualifier"/>
-<interleave>
 </group>
 </choice>
 </element>
 </define>
<!--
 generic qualifiers
 -->
-<define name="GenericConceptQualifier">
-<element name="Concept">
 <ref name="ConceptEntry"/>
 </element>
 </define>
-<define name="OptionalGenericConceptQualifier">
-<optional>
 <ref name="GenericConceptQualifier"/>
 </optional>
 </define>
-<define name="GenericStringQualifier">
-<element name="String">
 <ref name="StringEntry"/>
 </element>
 </define>
-<define name="OptionalGenericStringQualifier">
-<optional>
 <ref name="GenericStringQualifier"/>
-<optional>
 <ref name="GenericStringQualifier"/>
 </optional>
 </optional>
 </define>
-<define name="GenericLanguageQualifier">
-<element name="Language">
 <ref name="LanguageEntry"/>
 </element>
 </define>
-<define name="OptionalGenericLanguageQualifier">
-<optional>
 <ref name="GenericLanguageQualifier"/>
 </optional>
 </define>
-<define name="GenericOrganizationQualifier">
-<element name="Organization">
 <ref name="OrganizationEntry"/>
 </element>
 </define>
-<define name="OptionalGenericOrganizationQualifier">
-<optional>
-<optional>
 </optional>
 </optional>
 </define>
-<define name="GenericEventQualifier">
-<element name="Event">
 <ref name="EventEntry"/>
 </element>
 </define>
-<define name="OptionalGenericEventQualifier">
-<optional>
 <ref name="GenericEventQualifier"/>
 </optional>
 </define>
-<define name="GenericTimeQualifier">
-<choice>
-<element name="Time">
 <ref name="TimeEntry"/>
 </element>
-<element name="Duration">
-<choice>
-<group>
 <ref name="ReferentialTimeElement"/>
 <ref name="ReferentialTimeElement"/>
 </group>
-<group>
 <ref name="PlainTimeElement"/>
 <ref name="PlainTimeElement"/>
 </group>
 </choice>
 </element>
 </choice>
 </define>
-<define name="OptionalGenericTimeQualifier">
-<optional>
 <ref name="GenericTimeQualifier"/>
 </optional>
 </define>
-<define name="GenericPlaceQualifier">
-<element name="Place">
 <ref name="PlaceEntry"/>
 </element>
 </define>
-<define name="OptionalGenericPlaceQualifier">
-<optional>
 <ref name="GenericPlaceQualifier"/>
 </optional>
 </define>
-<define name="GenericBeingQualifier">
-<element name="Being">
 <ref name="BeingEntry"/>
 </element>
 </define>
-<define name="OptionalGenericBeingQualifier">
-<optional>
 <ref name="GenericBeingQualifier"/>
-<optional>
 <ref name="GenericBeingQualifier"/>
 </optional>
 </optional>
 </define>
-<define name="GenericObjectQualifier">
-<element name="Object">
 <ref name="ObjectEntry"/>
 </element>
 </define>
-<define name="OptionalGenericObjectQualifier">
-<optional>
 <ref name="GenericObjectQualifier"/>
 </optional>
 </define>
-<define name="GenericWorkQualifier">
-<element name="Work">
 <ref name="WorkEntry"/>
 </element>
 </define>
-<define name="OptionalGenericWorkQualifier">
-<optional>
 <ref name="GenericWorkQualifier"/>
 </optional>
 </define>
 </grammar>