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hed-standard.owl
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<?xml version="1.0"?>
<rdf:RDF xmlns="http://purl.org/hed/hed/"
xml:base="http://purl.org/hed/hed/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:hed="http://purl.org/hed/releases/2024-06-10/hed/"
xmlns:owl="http://www.w3.org/2002/07/owl#"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:xml="http://www.w3.org/XML/1998/namespace"
xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
xmlns:foaf="http://xmlns.com/foaf/0.1/"
xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:terms="http://purl.org/dc/terms/">
<owl:Ontology rdf:about="http://purl.org/hed/hed/">
<owl:versionIRI rdf:resource="http://purl.org/hed/releases/2024-06-10/hed.owl"/>
<dc:contributor>Ian Callanan</dc:contributor>
<dc:contributor>Kay Robbins</dc:contributor>
<dc:contributor>Scott Makeig</dc:contributor>
<dc:description xml:lang="en">This ontology defines the HED Hierarchical Event Descriptor schema structure.</dc:description>
<dc:description>This ontology only defines the structural elements of the HED schema. The actual HED tags are in HED.</dc:description>
<dc:title>HED Schema Ontology (HEDS)</dc:title>
<terms:license rdf:resource="http://creativecommons.org/licenses/by/4.0/"/>
<rdfs:label>HED Schema Ontology</rdfs:label>
<rdfs:seeAlso rdf:resource="https://github.com/hed-standard/hed-ontology"/>
<owl:versionInfo>releases/2024-06-10</owl:versionInfo>
<foaf:homepage rdf:resource="https://www.hedtags.org"/>
</owl:Ontology>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Annotation properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purl.org/dc/elements/1.1/contributor -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/contributor"/>
<!-- http://purl.org/dc/elements/1.1/creator -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/creator"/>
<!-- http://purl.org/dc/elements/1.1/date -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/date"/>
<!-- http://purl.org/dc/elements/1.1/description -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/description"/>
<!-- http://purl.org/dc/elements/1.1/format -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/format"/>
<!-- http://purl.org/dc/elements/1.1/identifier -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/identifier"/>
<!-- http://purl.org/dc/elements/1.1/language -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/language"/>
<!-- http://purl.org/dc/elements/1.1/publisher -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/publisher"/>
<!-- http://purl.org/dc/elements/1.1/relation -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/relation"/>
<!-- http://purl.org/dc/elements/1.1/source -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/source"/>
<!-- http://purl.org/dc/elements/1.1/subject -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/subject"/>
<!-- http://purl.org/dc/elements/1.1/title -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/title"/>
<!-- http://purl.org/dc/elements/1.1/type -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/elements/1.1/type"/>
<!-- http://purl.org/dc/terms/license -->
<owl:AnnotationProperty rdf:about="http://purl.org/dc/terms/license"/>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000500 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000500">
<dc:description>The unique identifier of this element in the HED namespace.</dc:description>
<rdfs:comment>Maps HedElement into string.</rdfs:comment>
<rdfs:label>hedId</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000501 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000501">
<dc:description>This tag requires that a descendent node be included.</dc:description>
<rdfs:comment>Maps a HedTag into a boolean.</rdfs:comment>
<rdfs:label>requireChild</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000502 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000502">
<dc:description>This top-level library schema node should have a parent which is the indicated node in the partnered standard schema.</dc:description>
<rdfs:comment>Maps a HedTag into a HedTag name as a string.</rdfs:comment>
<rdfs:label>rooted</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000503 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000503">
<dc:description>This tag is a hashtag placeholder that is expected to be replaced with a user-defined value.</dc:description>
<rdfs:comment>Maps a HedTag into a boolean.</rdfs:comment>
<rdfs:label>takesValue</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010500 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010500">
<dc:description>The unique identifier of this element in the HED namespace.</dc:description>
<hed:HED_0010703 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010703>
<hed:HED_0010707 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010707>
<rdfs:label>hedId</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010501 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010501">
<dc:description>This tag must have a descendent.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>requireChild</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010502 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010502">
<dc:description>This top-level library schema node should have a parent which is the indicated node in the partnered standard schema.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010705 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010705>
<rdfs:label>rooted</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010503 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010503">
<dc:description>This tag is a hashtag placeholder that is expected to be replaced with a user-defined value.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>takesValue</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010701 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010701">
<dc:description>The value is not inherited by child nodes.</dc:description>
<rdfs:label>annotationProperty</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010702 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010702">
<dc:description>This schema attribute's value can be true or false. This property was formerly named boolProperty.</dc:description>
<rdfs:label>boolRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010703 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010703">
<dc:description>This schema attribute can apply to any type of element class (i.e., tag, unit, unit class, unit modifier, or value class). This property was formerly named elementProperty.</dc:description>
<rdfs:label>elementDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010704 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010704">
<dc:description>This schema attribute can apply to node (tag-term) elements. This was added so attributes could apply to multiple types of elements. This property was formerly named nodeProperty.</dc:description>
<rdfs:label>tagDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010705 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010705">
<dc:description>This schema attribute's value can be a node. This property was formerly named nodeProperty.</dc:description>
<rdfs:label>tagRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010706 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010706">
<dc:description>This schema attribute's value can be numeric.</dc:description>
<rdfs:label>numericRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010707 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010707">
<dc:description>This schema attribute's value can be a string.</dc:description>
<rdfs:label>stringRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010708 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010708">
<dc:description>This schema attribute can apply to unit classes. This property was formerly named unitClassProperty.</dc:description>
<rdfs:label>unitClassDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010709 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010709">
<dc:description>This schema attribute's value can be a unit class.</dc:description>
<rdfs:label>unitClassRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010710 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010710">
<dc:description>This schema attribute can apply to unit modifiers. This property was formerly named unitModifierProperty.</dc:description>
<rdfs:label>unitModifierDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010711 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010711">
<dc:description>This schema attribute can apply to units. This property was formerly named unitProperty.</dc:description>
<rdfs:label>unitDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010712 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010712">
<dc:description>This schema attribute's value can be units.</dc:description>
<rdfs:label>unitRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010713 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010713">
<dc:description>This schema attribute can apply to value classes. This property was formerly named valueClassProperty.</dc:description>
<rdfs:label>valueClassDomain</rdfs:label>
</owl:AnnotationProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010714 -->
<owl:AnnotationProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010714">
<dc:description>This schema attribute's value can be a value class.</dc:description>
<rdfs:label>valueClassRange</rdfs:label>
</owl:AnnotationProperty>
<!-- http://www.w3.org/2000/01/rdf-schema#comment -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2000/01/rdf-schema#comment"/>
<!-- http://www.w3.org/2000/01/rdf-schema#label -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2000/01/rdf-schema#label"/>
<!-- http://www.w3.org/2000/01/rdf-schema#seeAlso -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2000/01/rdf-schema#seeAlso"/>
<!-- http://www.w3.org/2002/07/owl#versionInfo -->
<owl:AnnotationProperty rdf:about="http://www.w3.org/2002/07/owl#versionInfo"/>
<!-- http://xmlns.com/foaf/0.1/homepage -->
<owl:AnnotationProperty rdf:about="http://xmlns.com/foaf/0.1/homepage"/>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Datatypes
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://www.w3.org/1999/02/22-rdf-syntax-ns#PlainLiteral -->
<rdfs:Datatype rdf:about="http://www.w3.org/1999/02/22-rdf-syntax-ns#PlainLiteral"/>
<!-- http://www.w3.org/2001/XMLSchema#boolean -->
<rdfs:Datatype rdf:about="http://www.w3.org/2001/XMLSchema#boolean"/>
<!-- http://www.w3.org/2001/XMLSchema#float -->
<rdfs:Datatype rdf:about="http://www.w3.org/2001/XMLSchema#float"/>
<!-- http://www.w3.org/2001/XMLSchema#string -->
<rdfs:Datatype rdf:about="http://www.w3.org/2001/XMLSchema#string"/>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Object Properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000101 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000101">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000004"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000001"/>
<dc:description>Associates a HedSchema with some HedEntity.</dc:description>
<rdfs:comment>This is a structural property which allows tools to place an element in its correct schema.</rdfs:comment>
<rdfs:label>hasHedEntity</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000102 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000102">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000001"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000004"/>
<dc:description>Associates a HedEntity with its particular HedSchema class.</dc:description>
<rdfs:comment>This is a structural property which allows tools to place an element in its correct schema.</rdfs:comment>
<rdfs:label>inHedSchema</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000103 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000103">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000006"/>
<dc:description>Associates a HedUnit with its category (HedUnitClass).</dc:description>
<rdfs:comment>This is a structural property which allows tools to place a unit in its correct grouping.</rdfs:comment>
<rdfs:label>hasUnitClass</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000104 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000104">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000006"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<dc:description>The default units to use if the placeholder has a unit class but the substituted value has no units.</dc:description>
<rdfs:label>defaultUnits</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000105 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000105">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<dc:description>A HED tag that is closely related to this tag. This attribute is used by tagging tools.</dc:description>
<rdfs:label>relatedTag</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000106 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000106">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<dc:description>A tag is often associated with this tag. This attribute is used by tagging tools to provide tagging suggestions</dc:description>
<rdfs:label>suggestedTag</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000107 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000107">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000006"/>
<dc:description>The unit class this placeholder tag belongs to.</dc:description>
<rdfs:comment>Maps a HedTag into a HedUnitClass name as a string.</rdfs:comment>
<rdfs:label>unitClass</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000108 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000108">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000009"/>
<dc:description>The value class this placeholder tag belongs to.</dc:description>
<rdfs:comment>Maps a HedTag into a HedValueClass name as a string.</rdfs:comment>
<rdfs:label>valueClass</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010104 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010104">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000006"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<dc:description>The default units to use if the placeholder has a unit class but the substituted value has no units.</dc:description>
<hed:HED_0010708 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010708>
<hed:HED_0010712 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010712>
<rdfs:label>defaultUnits</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010105 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010105">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<dc:description>A HED tag that is closely related to this tag. This attribute is used by tagging tools.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010705 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010705>
<rdfs:label>relatedTag</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010106 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010106">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<dc:description>A tag that is often associated with this tag. This attribute is used by tagging tools to provide tagging suggestions.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010705 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010705>
<rdfs:label>suggestedTag</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010107 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010107">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000006"/>
<dc:description>The unit class that the value of a placeholder node can belong to.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010709 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010709>
<rdfs:label>unitClass</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010108 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010108">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000009"/>
<dc:description>Type of value taken on by the value of a placeholder node.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010714 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010714>
<rdfs:label>valueClass</rdfs:label>
</owl:ObjectProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010109 -->
<owl:ObjectProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010109">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<dc:description>This tag is part of the indicated tag -- as in the nose is part of the face.</dc:description>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<hed:HED_0010705 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010705>
<rdfs:label>isPartOf</rdfs:label>
</owl:ObjectProperty>
<!--
///////////////////////////////////////////////////////////////////////////////////////
//
// Data properties
//
///////////////////////////////////////////////////////////////////////////////////////
-->
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000300 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000300">
<rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000010"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>The semantic version of this schema.</dc:description>
<rdfs:label>version</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000301 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000301">
<rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000010"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>The name of the library schema if applicable, otherwise an empty string.</dc:description>
<rdfs:label>library</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000302 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000302">
<rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000010"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>If true, the schema is not merged with a partner schema.</dc:description>
<rdfs:label>unmerged</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000303 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000303">
<rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000010"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>The version of the HED schema's standard schema partner.</dc:description>
<rdfs:label>withStandard</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000304 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000304">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000003"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>A schema attribute of value classes specifying a special character that is allowed in expressing the value of a placeholder. Normally the allowed characters are listed individually. However, the word letters designates the upper and lower case alphabetic characters and the word digits designates the digits 0-9. The word blank designates the blank character.</dc:description>
<rdfs:label>allowedCharacter</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000305 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000305">
<rdfs:domain>
<owl:Class>
<owl:unionOf rdf:parseType="Collection">
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
</owl:unionOf>
</owl:Class>
</rdfs:domain>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
<dc:description>The factor to multiply these units or unit modifiers by to convert to default units.</dc:description>
<rdfs:label>conversionFactor</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000306 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000306">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000003"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>Indicates that this element is deprecated. The value of the attribute is the latest schema version in which the element appeared in undeprecated form.</dc:description>
<rdfs:label>deprecatedFrom</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000307 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000307">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>A schema attribute indicating that users can add unlimited levels of child nodes under this tag. This tag is propagated to child nodes with the exception of the hashtag placeholders.</dc:description>
<rdfs:label>extensionAllowed</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000308 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000308">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000003"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>This element comes from the indicated library version. This attribute is added by tools when a library schema is merged into its partnered standard schema.</dc:description>
<rdfs:label>inLibrary</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000309 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000309">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag has special meaning and requires special handling by tools</dc:description>
<rdfs:label>reserved</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000310 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000310">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>Indicates that this unit element is an SI unit and can be modified by multiple and submultiple names. Note that some units such as byte are designated as SI units although they are not part of the standard.</dc:description>
<rdfs:label>SIUnit</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000311 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000311">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This SI unit modifier represents a multiple or submultiple of a base unit rather than a unit symbol.</dc:description>
<rdfs:label>SIUnitModifier</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000312 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000312">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This SI unit modifier represents a multiple or submultiple of a unit symbol rather than a base symbol.</dc:description>
<rdfs:label>SIUnitSymbolModifier</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000313 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000313">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag can only appear inside a tag group.</dc:description>
<rdfs:label>tagGroup</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000314 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000314">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag (or its descendants) can only appear in a top-level tag group. A tag group can have at most one tag with this attribute.</dc:description>
<rdfs:label>topLevelTagGroup</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000315 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000315">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>Only one of this tag or its descendants can be used in the event-level HED string.</dc:description>
<rdfs:label>unique</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000316 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000316">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This unit is a prefix unit (e.g., dollar sign in the currency units).</dc:description>
<rdfs:label>unitPrefix</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0000317 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000317">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This is an abbreviation or symbol representing a type of unit. Unit symbols represent both the singular and the plural and thus cannot be pluralized.</dc:description>
<rdfs:label>unitSymbol</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010304 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010304">
<rdfs:domain>
<owl:Class>
<owl:unionOf rdf:parseType="Collection">
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000009"/>
</owl:unionOf>
</owl:Class>
</rdfs:domain>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>A special character that is allowed in expressing the value of a placeholder of a specified value class. Allowed characters may be listed individual, named individually, or named as a group as specified in Section 2.2 Character sets and restrictions of the HED specification.</dc:description>
<hed:HED_0010707 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010707>
<hed:HED_0010710 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010710>
<hed:HED_0010711 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010711>
<hed:HED_0010713 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010713>
<rdfs:label>allowedCharacter</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010305 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010305">
<rdfs:domain>
<owl:Class>
<owl:unionOf rdf:parseType="Collection">
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdf:Description rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
</owl:unionOf>
</owl:Class>
</rdfs:domain>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
<dc:description>The factor to multiply these units or unit modifiers by to convert to default units.</dc:description>
<hed:HED_0010706 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010706>
<hed:HED_0010710 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010710>
<hed:HED_0010711 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010711>
<rdfs:label>conversionFactor</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010306 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010306">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000003"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>The latest schema version in which the element was not deprecated.</dc:description>
<hed:HED_0010703 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010703>
<hed:HED_0010707 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010707>
<rdfs:label>deprecatedFrom</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010307 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010307">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>Users can add unlimited levels of child nodes under this tag. This tag is propagated to child nodes except for hashtag placeholders.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>extensionAllowed</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010309 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010309">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000003"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#string"/>
<dc:description>The named library schema that this schema element is from. This attribute is added by tools when a library schema is merged into its partnered standard schema.</dc:description>
<hed:HED_0010703 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010703>
<hed:HED_0010707 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010707>
<rdfs:label>inLibrary</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010310 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010310">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag has special meaning and requires special handling by tools.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>reserved</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010311 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010311">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This unit element is an SI unit and can be modified by multiple and sub-multiple names. Note that some units such as byte are designated as SI units although they are not part of the standard.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010711 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010711>
<rdfs:label>SIUnit</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010312 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010312">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This SI unit modifier represents a multiple or sub-multiple of a base unit rather than a unit symbol.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010710 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010710>
<rdfs:label>SIUnitModifier</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010313 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010313">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000008"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This SI unit modifier represents a multiple or sub-multiple of a unit symbol rather than a base symbol.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010710 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010710>
<rdfs:label>SIUnitSymbolModifier</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010314 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010314">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag can only appear inside a tag group.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>tagGroup</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010315 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010315">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag (or its descendants) can only appear in a top-level tag group. There are additional tag-specific restrictions on what other tags can appear in the group with this tag.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>topLevelTagGroup</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010316 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010316">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000005"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>Only one of this tag or its descendants can be used in the event-level HED string.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010704 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010704>
<rdfs:label>unique</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010317 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010317">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This unit is a prefix unit (e.g., dollar sign in the currency units).</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010711 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010711>
<rdfs:label>unitPrefix</rdfs:label>
</owl:DatatypeProperty>
<!-- http://purl.org/hed/releases/2024-06-10/hed/HED_0010318 -->
<owl:DatatypeProperty rdf:about="http://purl.org/hed/releases/2024-06-10/hed/HED_0010318">
<rdfs:domain rdf:resource="http://purl.org/hed/releases/2024-06-10/hed/HED_0000007"/>
<rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#boolean"/>
<dc:description>This tag is an abbreviation or symbol representing a type of unit. Unit symbols represent both the singular and the plural and thus cannot be pluralized.</dc:description>
<hed:HED_0010702 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010702>
<hed:HED_0010711 rdf:datatype="http://www.w3.org/2001/XMLSchema#boolean">true</hed:HED_0010711>
<rdfs:label>unitSymbol</rdfs:label>
</owl:DatatypeProperty>